Tokugawa Ieyasu
Encyclopedia
 was the founder and first shogun
Shogun
A was one of the hereditary military dictators of Japan from 1192 to 1867. In this period, the shoguns, or their shikken regents , were the de facto rulers of Japan though they were nominally appointed by the emperor...

 of the Tokugawa shogunate
Tokugawa shogunate
The Tokugawa shogunate, also known as the and the , was a feudal regime of Japan established by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family. This period is known as the Edo period and gets its name from the capital city, Edo, which is now called Tokyo, after the name was...

 of Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 , which ruled from the Battle of Sekigahara
Battle of Sekigahara
The , popularly known as the , was a decisive battle on October 21, 1600 which cleared the path to the Shogunate for Tokugawa Ieyasu...

  in 1600 until the Meiji Restoration
Meiji Restoration
The , also known as the Meiji Ishin, Revolution, Reform or Renewal, was a chain of events that restored imperial rule to Japan in 1868...

 in 1868. Ieyasu seized power in 1600, received appointment as shogun in 1603, abdicated from office in 1605, but remained in power until his death in 1616. His given name is sometimes spelled Iyeyasu, according to the historical pronunciation of we
We (kana)
ゑ, in hiragana, or ヱ in katakana, is a nearly obsolete Japanese kana.It is presumed that ゑ represented . It is thought that, after ゑ and え came to denote the same pronunciation as イェ in the Kamakura period, they came to be pronounced as the modern エ ; there is also the view that the pronunciation...

. Ieyasu was posthumously enshrined at Nikkō Tōshō-gū
Nikko Tosho-gu
is a Shinto shrine located in Nikkō, Tochigi Prefecture, Japan. It is part of the "Shrines and Temples of Nikkō", a UNESCO World Heritage Site.Tōshō-gū is dedicated to Tokugawa Ieyasu, the founder of the Tokugawa shogunate. Initially built in 1617, during the Edo period, while Ieyasu's son Hidetada...

 with the name .

Early life (1543–1556)

Tokugawa Ieyasu was born in Okazaki Castle
Okazaki Castle
is a Japanese castle located in Okazaki, Aichi Prefecture, Japan. At the end of the Edo period, Okazaki Castle was home to the Honda clan, daimyō of Okazaki Domain, but the castle is better known for its association with Tokugawa Ieyasu and the Tokugawa clan...

 in Mikawa
Mikawa Province
is an old province in the area that today forms the eastern half of Aichi Prefecture. It was sometimes called . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces....

 on the 26th day of the twelfth month of the eleventh year of Tenbun
Tenbun
, also known as Tembun or Temmon, was a after Kyōroku and before Kōji. This period spanned the years from July 1532 through October 1555. The reigning emperor was .-Change of era:...

, according to the Japanese calendar
Japanese calendar
On January 1, 1873, Japan adopted the Gregorian calendar. Before 1873, the Chinese style lunisolar calendar had been in use since 7th century. Japanese eras are still in use.-System:...

. Originally named Matsudaira Takechiyo (松平 竹千代), he was the son of Matsudaira Hirotada
Matsudaira Hirotada
was the lord of Okazaki Castle in Mikawa province, Japan during the Sengoku Period of the 16th century. He is best known for being the father of Tokugawa Ieyasu, founder of the Tokugawa Shogunate....

 (松平 広忠), the daimyo
Daimyo
is a generic term referring to the powerful territorial lords in pre-modern Japan who ruled most of the country from their vast, hereditary land holdings...

 of Mikawa of the Matsudaira clan
Matsudaira clan
The was a Japanese samurai clan that claimed descent from the Minamoto clan. It first originated in and took its name from Matsudaira village, in Mikawa Province . Over the course of its history, the clan produced many branches, most of which also centered around Mikawa Province...

, and Odainokata (於大の方), the daughter of a neighboring samurai lord Mizuno Tadamasa
Mizuno Tadamasa
' was a samurai lord of feudal Japan. He ruled Kariya Castle. He was also the father of Dai-no-kata, the mother of shogun Tokugawa Ieyasu....

 (水野 忠政). His mother and father were step-siblings. They were just 17 and 15 years old, respectively, when Ieyasu was born. Two years later, Odainokata was sent back to her family and the couple never lived together again. As both husband and wife remarried and both went on to have further children, Ieyasu in the end had 11 half-brothers and sisters.

The Matsudaira family was split in 1550: one side wanted to be vassals of the Imagawa clan, while the other side preferred the Oda
Oda clan
The was a family of Japanese daimyo who were to become an important political force in the unification of Japan in the mid-16th century. Though they had the climax of their fame under Oda Nobunaga and fell from the spotlight soon after, several branches of the family would continue on as daimyo...

. As a result, much of Ieyasu's early years were spent in danger as wars with the Oda and Imagawa clans were fought. This family feud was the reason behind the murder of Hirotada's father (Takechiyo's grandfather), Matsudaira Kiyoyasu
Matsudaira Kiyoyasu
was the 7th lord over the Matsudaira clan during the Sengoku period of Japan. Kiyoyasu was the grandfather of the exceedingly famous unifier of Japan, Tokugawa Ieyasu. Kiyoyasu soon gained control of the whole of the northern region of Mikawa province after the Saigo clan had surrendered after...

 (松平 清康). Unlike his father and the majority of his branch of the family, Ieyasu's father, Hirotada, favored the Imagawa clan.

In 1548, when the Oda clan invaded Mikawa, Hirotada turned to Imagawa Yoshimoto, the head of the Imagawa clan, for help to repel the invaders. Yoshimoto agreed to help under the condition that Hirotada send his son Takechiyo to Sumpu as a hostage. Hirotada agreed. Oda Nobuhide
Oda Nobuhide
was a warlord and magistrate of lower Owari Province during the Sengoku period of Japan. His father was Oda Nobusada and Nobuhide was the father of Oda Nobunaga.-Ruling the clan:...

, the leader of the Oda clan, learned of this arrangement and had Ieyasu abducted from his entourage en route to Sumpu. Ieyasu was just six years old at the time.

Nobuhide threatened to execute Takechiyo unless his father severed all ties with the Imagawa clan. Hirotada replied that sacrificing his own son would show his seriousness in his pact with the Imagawa clan. Despite this refusal, Nobuhide chose not to kill Takechiyo but instead held him for the next three years at the Manshoji Temple in Nagoya.

In 1549, when Takechiyo was 7, his father Hirotada died of natural causes. At about the same time, Oda Nobuhide died during an epidemic. The deaths dealt a heavy blow to the Oda clan. An army under the command of Imagawa Sessai laid siege to the castle where Oda Nobuhiro, Nobuhide's eldest son and the new head of the Oda, was living. With the castle about to fall, Imagawa Sessai offered a deal to Oda Nobunaga
Oda Nobunaga
was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

 (Oda Nobuhide's second son). Sessai offered to give up the siege if Ieyasu was handed over to the Imagawa clan. Nobunaga agreed and so Takechiyo (now nine) was taken as a hostage to Sumpu. Here he lived a fairly good life as hostage and potentially useful future ally of the Imagawa clan until 1556 when he was age 15.

Rise to power (1556–1584)

In 1556, Takechiyo came of age, and, following tradition, changed his name to Matsudaira Jirōsaburō Motonobu (松平 次郎三郎 元信). One year later, at the age of 16 (according to East Asian age reckoning
East Asian age reckoning
East Asian age reckoning is a concept and practice that originated in China and is widely used by other cultures in East Asia, which share this traditional way of counting a person's age. Newborns start at one year old, and each passing of a Lunar New Year, rather than the birthday, adds one year...

), he married his first wife and changed his name again to Matsudaira Kurandonosuke Motoyasu (松平 蔵人佐 元康). Allowed to return to his native Mikawa, the Imagawa ordered him to fight the Oda clan in a series of battles. Motoyasu fought his first battle at the Siege of Terabe
Siege of Terabe
The Siege of Terabe took place in 1558.This was the first battle that Tokugawa Ieyasu was involved in. At the time, he was a vassal of Imagawa Yoshimoto....

 and later succeeded in delivering supplies to a border fort through a bold night attack.

In 1560 the leadership of the Oda clan had passed to the brilliant leader Oda Nobunaga
Oda Nobunaga
was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

. Yoshimoto, leading a large Imagawa army (perhaps 20,000 strong) then attacked the Oda clan territory. Motoyasu with his Mikawa troops captured a fort at the border and then stayed there to defend it. As a result, Motoyasu and his men were not present at the Battle of Okehazama
Battle of Okehazama
The took place in June 1560. In this battle, Oda Nobunaga defeated Imagawa Yoshimoto and established himself as one of the front-running warlords in the Sengoku period.-Background:...

 where Yoshimoto was killed by Oda Nobunaga's surprise assault.

With Yoshimoto dead, Motoyasu decided to ally with the Oda clan. A secret deal was needed because Motoyasu's wife and infant son, Nobuyasu were held hostage in Sumpu by the Imagawa clan. In 1561, Motoyasu openly broke with the Imagawa and captured the fortress of Kaminojo. Motoyasu was then able to exchange his wife and son for the wife and daughter of the ruler of Kaminojo castle. In 1563 Nobuyasu was married to Nobunaga's daughter Tokuhime
Tokuhime
, or Princess Toku was born the daughter of Japanese daimyo Oda Nobunaga and later married Matsudaira Nobuyasu, the first son of Tokugawa Ieyasu...

.

For the next few years Motoyasu set to reform the Matsudaira clan and pacifying Mikawa. He also strengthened his key vassals by awarding them land and castles in Mikawa. They were: Honda Tadakatsu
Honda Tadakatsu
, also called Honda Heihachirō , was a Japanese general of the late Sengoku through early Edo period, who served Tokugawa Ieyasu. Honda Tadakatsu was one of the Tokugawa Four Heavenly Kings along with Ii Naomasa, Sakakibara Yasumasa and Sakai Tadatsugu. - Biography :A native of Mikawa Province in...

, Ishikawa Kazumasa
Ishikawa Kazumasa
Ishikawa Kazumasa, a very notable retainer under Tokugawa Ieyasu, even serving him since his childhood, since they were both hostages under the Imagawa at that time....

, Koriki Kiyonaga
Koriki Kiyonaga
was a Japanese daimyo during the Azuchi-Momoyama period and Edo periods. A native of Mikawa Province, Kiyonaga served the Tokugawa clan during its battles, until 1600....

, Hattori Hanzō
Hattori Hanzo
, also known as , was a famous samurai and ninja master of the Sengoku era, credited with saving the life of Tokugawa Ieyasu and then helping him to become the ruler of united Japan. Today, he is often a subject of modern popular culture.-Biography:...

, Sakai Tadatsugu
Sakai Tadatsugu
was one of the most favored and most and successful military commanders serving Tokugawa Ieyasu in the late-Sengoku period. He is regarded as one of the Four Guardians of the Tokugawa .along with Honda Tadakatsu, Ii Naomasa, and Sakakibara Yasumasa.-Sakai clan genealogy:The Sakai clan originated in...

, and Sakakibara Yasumasa
Sakakibara Yasumasa
was a Japanese daimyo of the late Sengoku period through early Edo period, who served the Tokugawa clan. As one of the Tokugawa family's foremost military commanders, he was considered one of its "Four Guardian Kings"...

.
Motoyasu defeated the military forces of the Mikawa Monto within Mikawa province at the Battle of Azukizaka
Battle of Azukizaka (1564)
The or took place in 1564, when Matsudaira Motoyasu , sought to destroy the growing threat of the Ikkō-ikki, a league of monks, samurai and peasants who were strongly against samurai rule....

. The Monto were a warlike group of monks that were ruling Kaga Province
Kaga Province
was an old province in the area that is today the southern part of Ishikawa Prefecture. It was sometimes called .Ruled by the Maeda clan, the capital of Kaga was Kanazawa. Kaga bordered on Echizen, Etchū, Hida, and Noto Provinces...

 and had many temples elsewhere in Japan. They refused to obey Motoyasu's commands and so he went to war with them, defeating their troops and pulling down their temples. In one battle, Motoyasu was nearly killed when he was struck by a bullet which did not penetrate his armor. Both Motoyasu's Mikawa troops and the Monto forces were using the new gunpowder weapons which the Portuguese had introduced to Japan just 20 years earlier.

In 1567, Motoyasu changed his name yet again, his new family name
Family name
A family name is a type of surname and part of a person's name indicating the family to which the person belongs. The use of family names is widespread in cultures around the world...

 was Tokugawa and his given name
Given name
A given name, in Western contexts often referred to as a first name, is a personal name that specifies and differentiates between members of a group of individuals, especially in a family, all of whose members usually share the same family name...

 was now Ieyasu. In so doing, he claimed descent from the Minamoto clan. No proof has actually been found for this claimed descent from Seiwa
Emperor Seiwa
was the 56th emperor of Japan, according to the traditional order of succession.Seiwa's reign spanned the years from 858 through 876.-Traditional narrative:...

 tennō, the 56th Emperor of Japan.

Ieyasu remained an ally of Oda Nobunaga and his Mikawa soldiers were part of Nobunaga's army which captured Kyoto
Kyoto
is a city in the central part of the island of Honshū, Japan. It has a population close to 1.5 million. Formerly the imperial capital of Japan, it is now the capital of Kyoto Prefecture, as well as a major part of the Osaka-Kobe-Kyoto metropolitan area.-History:...

 in 1568. At the same time Ieyasu was expanding his own territory. He and Takeda Shingen
Takeda Shingen
, of Kai Province, was a preeminent daimyo in feudal Japan with exceptional military prestige in the late stage of the Sengoku period.-Name:Shingen was called "Tarō" or "Katsuchiyo" during his childhood...

, the head of the Takeda clan in Kai Province
Kai Province
, also known as , is an old province in Japan in the area of Yamanashi Prefecture. It lies in central Honshū, west of Tokyo, in a landlocked mountainous region that includes Mount Fuji along its border with Shizuoka Prefecture....

 made an alliance for the purpose of conquering all the Imagawa territory. In 1570, Ieyasu's troops captured Tōtōmi Province
Totomi Province
was a province of Japan in the area of Japan that is today western Shizuoka Prefecture. Tōtōmi bordered on Mikawa, Suruga and Shinano Provinces. Its abbreviated form name was .-History:...

 while Shingen's troops captured Suruga province
Suruga Province
was an old province in the area that is today the central part of Shizuoka prefecture. It was sometimes called . Suruga bordered on Izu, Kai, Sagami, Shinano, and Tōtōmi provinces; and had access to the Pacific Ocean through Suruga Bay.-History:...

 (including the Imagawa capital of Sumpu).

Ieyasu ended his alliance with Takeda and sheltered their former enemy, Imagawa Ujizane
Imagawa Ujizane
was a Japanese daimyo who lived from the mid-Sengoku through early Edo periods. He was the son of Imagawa Yoshimoto, and the father of Imagawa Norimochi and Shinagawa Takahisa.-Early life:Ujizane was born in Sunpu; he was the eldest son of Imagawa Yoshimoto...

; he also allied with Uesugi Kenshin
Uesugi Kenshin
was a daimyo who ruled Echigo province in the Sengoku period of Japan.He was one of the most powerful lords of the Sengoku period. While chiefly remembered for his prowess on the battlefield, Kenshin is also regarded as an extremely skillful administrator who fostered the growth of local industries...

 of the Uesugi clan—an enemy of the Takeda clan. Later that year, Ieyasu led 5,000 of his own men supporting Nobunaga at the Battle of Anegawa
Battle of Anegawa
The 1570 came as a reaction to Oda Nobunaga's sieges of the castles of Odani and Yokoyama, which belonged to the Azai and Asakura clans. It was also referred to as the Battle of Nomura by the Oda and Azai clans and the Battle of Mitamura by the Asakura clan.As warriors sallied forth from the...

 against the Azai and Asakura
Asakura clan
The ' are descendants of Prince Kusakabe , son of Emperor Temmu .The family was a line of daimyō which, along with the Azai clan, opposed Oda Nobunaga in the late 16th century...

 clans.

In October 1571, Takeda Shingen, now allied with the Hōjō clan
Late Hojo clan
The ' was one of the most powerful warrior clans in Japan in the Sengoku period and held domains primarily in the Kantō region.The clan is traditionally reckoned to be started by Ise Shinkurō, who came from a branch of the prestigious Ise clan, a family in the direct employment of the Ashikaga...

, attacked the Tokugawa lands of Tōtōmi. Ieyasu asked for help from Nobunaga, who sent him some 3,000 troops. Early in 1573 the two armies met at the Battle of Mikatagahara
Battle of Mikatagahara
The ' was one of the most famous battles of Takeda Shingen's campaigns, and one of the best demonstrations of his cavalry-based tactics.-Background:...

. The Takeda army, under the expert direction of Shingen, hammered at Ieyasu's troops until they were broken. Ieyasu fled with just 5 men to a nearby castle. This was a major loss for Ieyasu, but Shingen was unable to exploit his victory because Ieyasu quickly gathered a new army and refused to fight Shingen again on the battlefield.

Fortune smiled on Ieyasu a year later when Takeda Shingen died at a siege early in 1573. Shingen was succeeded by his less capable son Takeda Katsuyori
Takeda Katsuyori
was a Japanese daimyo of the Sengoku Period, who was famed as the head of the Takeda clan and the successor to the legendary warlord Takeda Shingen. He was the son of Shingen by the , the daughter of Suwa Yorishige...

. In 1575, the Takeda army attacked Nagashino Castle in Mikawa province. Ieyasu appealed to Nobunaga for help and the result was that Nobunaga personally came at the head of his very large army (about 30,000 strong). The Oda-Tokugawa force of 38,000 won a great victory on June 28, 1575, at the Battle of Nagashino
Battle of Nagashino
The ' took place in 1575 near Nagashino Castle on the plain of Shitaragahara in the Mikawa province of Japan. Forces under Takeda Katsuyori had besieged the castle since the 17th of June; Okudaira Sadamasa , a Tokugawa vassal, commanded the defending force...

, though Takeda Katsuyori survived the battle and retreated back to Kai province.

For the next seven years, Ieyasu and Katsuyori fought a series of small battles. Ieyasu's troops managed to wrest control of Suruga province away from the Takeda clan.

In 1579, Ieyasu's wife, and his eldest son, Matsudaira Nobuyasu, were accused by Nobunaga of conspiring with Takeda Katsuyori to assassinate Nobunaga, whose daughter Tokuhime
Tokuhime
, or Princess Toku was born the daughter of Japanese daimyo Oda Nobunaga and later married Matsudaira Nobuyasu, the first son of Tokugawa Ieyasu...

 (1559–1636) was married to Nobuyasu. Ieyasu's wife was executed and Nobuyasu was forced to commit seppuku
Seppuku
is a form of Japanese ritual suicide by disembowelment. Seppuku was originally reserved only for samurai. Part of the samurai bushido honor code, seppuku was either used voluntarily by samurai to die with honor rather than fall into the hands of their enemies , or as a form of capital punishment...

. Ieyasu then named his third and favorite son, Tokugawa Hidetada
Tokugawa Hidetada
was the second shogun of the Tokugawa dynasty, who ruled from 1605 until his abdication in 1623. He was the third son of Tokugawa Ieyasu, the first shogun of the Tokugawa shogunate.-Early life :...

, as heir, since his second son was adopted by another rising power: Toyotomi Hideyoshi
Toyotomi Hideyoshi
was a daimyo warrior, general and politician of the Sengoku period. He unified the political factions of Japan. He succeeded his former liege lord, Oda Nobunaga, and brought an end to the Sengoku period. The period of his rule is often called the Momoyama period, named after Hideyoshi's castle...

, the future ruler of all Japan.

The end of the war with Takeda came in 1582 when a combined Oda-Tokugawa force attacked and conquered Kai province. Takeda Katsuyori, as well as his eldest son Takeda Nobukatsu, were defeated at the Battle of Temmokuzan
Battle of Temmokuzan
The 1582 in Japan, also known as the Battle of Toriibata, is regarded as the last stand of the Takeda family. This was the final attempt by Takeda Katsuyori to resist the combined forces of Tokugawa Ieyasu and Oda Nobunaga, who had been campaigning against him for some time.In his bid to hide from...

 and then committed seppuku
Seppuku
is a form of Japanese ritual suicide by disembowelment. Seppuku was originally reserved only for samurai. Part of the samurai bushido honor code, seppuku was either used voluntarily by samurai to die with honor rather than fall into the hands of their enemies , or as a form of capital punishment...

.

In late 1582, Ieyasu was near Osaka
Osaka
is a city in the Kansai region of Japan's main island of Honshu, a designated city under the Local Autonomy Law, the capital city of Osaka Prefecture and also the biggest part of Keihanshin area, which is represented by three major cities of Japan, Kyoto, Osaka and Kobe...

 and far from his own territory when he learned that Nobunaga had been assassinated by Akechi Mitsuhide
Akechi Mitsuhide
, nicknamed Jūbei or called from his clan name and title, was a samurai who lived during the Sengoku period of Feudal Japan.Mitsuhide was a general under daimyo Oda Nobunaga, although he became infamous for his betrayal in 1582, which led to Nobunaga's death at Honno-ji...

. Ieyasu managed the dangerous journey back to Mikawa, avoiding Mitsuhide's troops along the way, as they were trying to find and kill him. One week after he arrived in Mikawa, Ieyasu's army marched out to take revenge on Mitsuhide. But they were too late, Hideyoshi—on his own—defeated and killed Akechi Mitsuhide at the Battle of Yamazaki
Battle of Yamazaki
The was fought in 1582 in Yamazaki, Japan, located in current day Kyoto Prefecture. This battle is sometimes referred to as the Battle of Mt. Tennō ....

.

The death of Nobunaga meant that some provinces, ruled by Nobunaga's vassals, were ripe for conquest. The leader of Kai province made the mistake of killing one of Ieyasu's aides. Ieyasu promptly invaded Kai and took control. Hōjō Ujimasa
Hojo Ujimasa
was the fourth head of the late Hōjō clan, and daimyo of Odawara.Ujimasa commanded in many battles, consolidating his clan's position, and retired in 1590. His son Hōjō Ujinao became head of the clan and lord of Odawara, but later that year they failed to hold Odawara against the forces of Toyotomi...

, leader of the Hōjō clan responded by sending his much larger army into Shinano
Shinano Province
or is an old province of Japan that is now present day Nagano Prefecture.Shinano bordered on Echigo, Etchū, Hida, Kai, Kōzuke, Mikawa, Mino, Musashi, Suruga, and Tōtōmi Provinces...

 and then into Kai province. No battles were fought between Ieyasu's forces and the large Hōjō army and, after some negotiation, Ieyasu and the Hōjō agreed to a settlement which left Ieyasu in control of both Kai and Shinano provinces, while the Hōjō took control of Kazusa province (as well as bits of both Kai and Shinano province).

At the same time (1583) a war for rule over Japan was fought between Toyotomi Hideyoshi
Toyotomi Hideyoshi
was a daimyo warrior, general and politician of the Sengoku period. He unified the political factions of Japan. He succeeded his former liege lord, Oda Nobunaga, and brought an end to the Sengoku period. The period of his rule is often called the Momoyama period, named after Hideyoshi's castle...

 and Shibata Katsuie
Shibata Katsuie
or was a Japanese military commander during the Sengoku Period who served Oda Nobunaga.-Biography:Katsuie was born in the Shibata family, a branch of the Shiba clan . Note the differences between , , and the .Katsuie was the retainer of Oda Nobukatsu...

. Ieyasu did not take a side in this conflict, building on his reputation for both caution and wisdom. Hideyoshi defeated Katsuie at Battle of Shizugatake
Battle of Shizugatake
The was a battle in Sengoku period Japan between supporters of Toyotomi Hideyoshi and Oda Nobutaka.In May, 1583, a former general of Nobunaga's named Shibata Katsuie coordinated a number of simultaneous attacks on Shizugatake, a series of forts held by Hideyoshi's generals among whom was Nakagawa...

—with this victory, Hideyoshi became the single most powerful daimyo
Daimyo
is a generic term referring to the powerful territorial lords in pre-modern Japan who ruled most of the country from their vast, hereditary land holdings...

 in Japan.

Ieyasu and Hideyoshi (1584–1598)

In 1584, Ieyasu decided to support Oda Nobukatsu
Oda Nobukatsu
was a Japanese samurai of the Azuchi-Momoyama period. He was the second son of Oda Nobunaga. He survived the decline of the Oda clan from political prominence, becoming a daimyo in the early Edo period.-Kitabatake clan:...

, the eldest son and heir of Oda Nobunaga
Oda Nobunaga
was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

, against Hideyoshi. This was a dangerous act and could have resulted in the annihilation of the Tokugawa.
Tokugawa troops took the traditional Oda stronghold of Owari, Hideyoshi responded by sending an army into Owari. The Komaki Campaign was the only time any of the great unifiers of Japan fought each other: Hideyoshi vs. Ieyasu. The campaign proved indecisive and after months of fruitless marches and feints, Hideyoshi settled the war through negotiation. First he made peace with Oda Nobukatsu, and then he offered a truce to Ieyasu. The deal was made at the end of the year; as part of the terms Ieyasu's second son, O Gi Maru, became an adopted son of Hideyoshi.

Ieyasu's aide, Ishikawa Kazumasa
Ishikawa Kazumasa
Ishikawa Kazumasa, a very notable retainer under Tokugawa Ieyasu, even serving him since his childhood, since they were both hostages under the Imagawa at that time....

, chose to join the pre-eminent daimyo and so he moved to Osaka to be with Hideyoshi. However, only a few other Tokugawa retainers followed this example.

Hideyoshi was understandably distrustful of Ieyasu, and five years passed before they fought as allies. The Tokugawa did not participate in Hideyoshi's successful invasions of Shikoku
Shikoku
is the smallest and least populous of the four main islands of Japan, located south of Honshū and east of the island of Kyūshū. Its ancient names include Iyo-no-futana-shima , Iyo-shima , and Futana-shima...

 and Kyūshū
Kyushu
is the third largest island of Japan and most southwesterly of its four main islands. Its alternate ancient names include , , and . The historical regional name is referred to Kyushu and its surrounding islands....

.

In 1590 Hideyoshi attacked the last independent daimyo in Japan, Hōjō Ujimasa
Hojo Ujimasa
was the fourth head of the late Hōjō clan, and daimyo of Odawara.Ujimasa commanded in many battles, consolidating his clan's position, and retired in 1590. His son Hōjō Ujinao became head of the clan and lord of Odawara, but later that year they failed to hold Odawara against the forces of Toyotomi...

. The Hōjō clan ruled the eight provinces of the Kantō region in eastern Japan. Hideyoshi ordered them to submit to his authority and they refused. Ieyasu, though a friend and occasional ally of Ujimasa, joined his large force of 30,000 samurai with Hideyoshi's enormous army of some 160,000. Hideyoshi attacked several castles on the borders of the Hōjō clan with most of his army laying siege to the castle at Odawara
Siege of Odawara (1590)
The third ' occurred in 1590, and was the primary action in Toyotomi Hideyoshi's campaign to eliminate the Hōjō clan as a threat to his power. The months leading up to it saw hasty but major improvements in the defense of the castle, as Hideyoshi's intentions became clear...

. Hideyoshi's army captured Odawara after six months (oddly for the time period, deaths on both sides were few). During this siege, Hideyoshi offered Ieyasu a radical deal. He offered Ieyasu the eight Kantō provinces which they were about to take from the Hōjō in return for the five provinces that Ieyasu currently controlled (including Ieyasu's home province of Mikawa). Ieyasu accepted this proposal. Bowing to the overwhelming power of the Toyotomi army, the Hōjō accepted defeat, the top Hōjō leaders killed themselves and Ieyasu marched in and took control of their provinces, so ending the clan's reign of over 100 years.

Ieyasu now gave up control of his five provinces (Mikawa, Tōtōmi, Suruga, Shinano, and Kai) and moved all his soldiers and vassals to the Kantō region. He himself occupied the castle town of Edo
Edo
, also romanized as Yedo or Yeddo, is the former name of the Japanese capital Tokyo, and was the seat of power for the Tokugawa shogunate which ruled Japan from 1603 to 1868...

 in Kantō. This was possibly the riskiest move Ieyasu ever made — to leave his home province and rely on the uncertain loyalty of the formerly Hōjō samurai in Kantō. In the event, it worked out brilliantly for Ieyasu. He reformed the Kantō provinces, controlled and pacified the Hōjō samurai and improved the underlying economic infrastructure of the lands. Also, because Kantō was somewhat isolated from the rest of Japan, Ieyasu was able to maintain a unique level of autonomy from Hideyoshi's rule. Within a few years, Ieyasu had become the second most powerful daimyo in Japan. There is a Japanese proverb which likely refers to this event: "Ieyasu won the Empire by retreating."

In 1592, Hideyoshi invaded Korea
Korea
Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...

 as a prelude to his plan to attack China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 (see Japanese invasions of Korea [1592–1598] for more information about this campaign). The Tokugawa samurai never took part in this campaign. Early in 1593, Ieyasu was summoned to Hideyoshi's court in Nagoya (in Kyūshū
Kyushu
is the third largest island of Japan and most southwesterly of its four main islands. Its alternate ancient names include , , and . The historical regional name is referred to Kyushu and its surrounding islands....

, different from the similarly spelled city in Owari Province), as a military advisor. He stayed there, off and on for the next five years. Despite his frequent absences, Ieyasu's sons, loyal retainers and vassals were able to control and improve Edo and the other new Tokugawa lands.

In 1593, Hideyoshi fathered a son and heir, Toyotomi Hideyori
Toyotomi Hideyori
was the son and designated successor of Toyotomi Hideyoshi, the general who first united all of Japan. His mother, Yodo-dono, was the niece of Oda Nobunaga....

.

In 1598, with his health clearly failing, Hideyoshi called a meeting that would determine the Council of Five Elders
Council of Five Elders
The council of five elders, also known as the five Tairō , was formed by Toyotomi Hideyoshi to rule Japan in the place of his son, Hideyori, until such time as he came of age. Hideyoshi chose his five most powerful daimyo: Ukita Hideie, Maeda Toshiie, Uesugi Kagekatsu, Mōri Terumoto, and the...

, who would be responsible for ruling on behalf of his son after his death. The five that were chosen as regents (tairō
Tairo
Tairō was a high-ranking official position in the bakuhan taisei government of Japan. The tairō would preside over the governing Rōjū council in the event of an emergency. A tairō would be nominated from among a group of samurai families who supported Tokugawa Ieyasu...

) for Hideyori were Maeda Toshiie
Maeda Toshiie
was one of the leading generals of Oda Nobunaga following the Sengoku period of the 16th century extending to the Azuchi-Momoyama period. His father was Maeda Toshimasa. He was the fourth of seven brothers. His childhood name was "Inuchiyo" . His preferred weapon was a yari and he was known as...

, Mōri Terumoto
Mori Terumoto
Mōri Terumoto , son of Mōri Takamoto and grandson and successor of the great warlord Mōri Motonari, fought against Toyotomi Hideyoshi but was eventually overcome, participated in the Kyūshū campaign on Hideyoshi's side and built Hiroshima Castle, thus essentially founding Hiroshima.Terumoto was a...

, Ukita Hideie
Ukita Hideie
was the daimyo of Bizen and Mimasaka provinces , and one of the council of Five Elders appointed by Toyotomi Hideyoshi. Son of Ukita Naoie, he married Gohime, a daughter of Maeda Toshiie...

, Uesugi Kagekatsu
Uesugi Kagekatsu
was a daimyo during the Sengoku and Edo periods of Japanese history. The son of Nagao Masakage and husband of Uesugi Kenshin's elder sister, Aya-Gozen. After his father died, he was adopted by Kenshin....

, and Ieyasu himself, who was the most powerful of the five. This change in the pre-Sekigahara power structure became pivotal as Ieyasu turned his attention towards Kansai; and at the same time, other ambitious (albeit ultimately unrealized) plans, such as the Tokugawa initiative establishing official relations with Mexico and New Spain, continued to unfold and advance.

The Sekigahara Campaign (1598–1603)

Hideyoshi, after three more months of increasing sickness, died on September 18, 1598. He was nominally succeeded by his young son Hideyori
Toyotomi Hideyori
was the son and designated successor of Toyotomi Hideyoshi, the general who first united all of Japan. His mother, Yodo-dono, was the niece of Oda Nobunaga....

 but as he was just five years old, real power was in the hands of the regents. Over the next two years Ieyasu made alliances with various daimyo, especially those who had no love for Hideyoshi. Happily for Ieyasu, the oldest and most respected of the regents died after just one year. With the death of Regent Maeda Toshiie in 1599, Ieyasu led an army to Fushimi
Fushimi
Fushimi can refer to:*Emperor Fushimi of Japan*Fushimi, Kyoto, a ward of Kyoto City*Fushimi-no-miya, a branch of the Japanese Imperial Family...

 and took over Osaka Castle
Osaka Castle
is a Japanese castle in Chūō-ku, Osaka, Japan.Originally called Ozakajō, it is one of Japan's most famous castles, and played a major role in the unification of Japan during the sixteenth century of the Azuchi-Momoyama period.-Description:...

, the residence of Hideyori. This angered the three remaining regents and plans were made on all sides for war.

Opposition to Ieyasu centered around Ishida Mitsunari
Ishida Mitsunari
Ishida Mitsunari was a samurai who led the Western army in the Battle of Sekigahara following the Azuchi-Momoyama period of the 17th century. Also known by his court title, Jibunoshō...

, a powerful daimyo but not one of the regents. Mitsunari plotted Ieyasu's death and news of this plot reached some of Ieyasu's generals. They attempted to kill Mitsunari but he fled and gained protection from none other than Ieyasu himself. It is not clear why Ieyasu protected a powerful enemy from his own men but Ieyasu was a master strategist and he may have concluded that he would be better off with Mitsunari leading the enemy army rather than one of the regents, who would have more legitimacy.

Nearly all of Japan's daimyo and samurai now split into two factions—Mitsunari's group and the anti-Mitsunari Group. Ieyasu supported the anti-Mitsunari Group, and formed them as his potential allies. Ieyasu's allies were the Date clan, the Mogami clan
Mogami clan
The were Japanese daimyo, and were a branch of the Ashikaga family. In the Sengoku period, it was the Sengoku Daimyo which ruled Dewa Province which is now Yamagata Prefecture and Akita Prefecture ....

, the Satake clan
Satake clan
The was a Japanese samurai clan that claimed descent from the Minamoto clan. Its first power base was in Hitachi Province. The clan was subdued by Minamoto no Yoritomo in the late 12th century, but later entered Yoritomo's service as vassals...

 and the Maeda clan
Maeda clan
The was a branch of the Sugawara clan who descended from Sugawara no Kiyotomo and Sugawara no Michizane in the eighth and ninth centuries. It was one of the most powerful samurai families in Japan and they were second only to the Tokugawa clan in rice production and fief size...

. Mitsunari allied himself with the three other regents: Ukita Hideie
Ukita Hideie
was the daimyo of Bizen and Mimasaka provinces , and one of the council of Five Elders appointed by Toyotomi Hideyoshi. Son of Ukita Naoie, he married Gohime, a daughter of Maeda Toshiie...

, Mori Terumoto
Mori Terumoto
Mōri Terumoto , son of Mōri Takamoto and grandson and successor of the great warlord Mōri Motonari, fought against Toyotomi Hideyoshi but was eventually overcome, participated in the Kyūshū campaign on Hideyoshi's side and built Hiroshima Castle, thus essentially founding Hiroshima.Terumoto was a...

, and Uesugi Kagekatsu
Uesugi Kagekatsu
was a daimyo during the Sengoku and Edo periods of Japanese history. The son of Nagao Masakage and husband of Uesugi Kenshin's elder sister, Aya-Gozen. After his father died, he was adopted by Kenshin....

 as well as many daimyo from the eastern end of Honshū.

In June 1600, Ieyasu and his allies moved their armies to defeat the Uesugi clan who was accused of planning to revolt against Toyotomi administration (Led by Ieyasu, top of Council of Five Elders). Before arriving to Uesugi's territory, Ieyasu had got information that Mitsunari and his allies moved their army against Ieyasu. Ieyasu held a meeting with daimyo, and they agreed to ally Ieyasu. He then led the majority of his army west towards Kyoto. In late summer, Ishida's forces captured Fushimi.

Ieyasu and his allies marched along the Tōkaidō
Tokaido (road)
The ' was the most important of the Five Routes of the Edo period, connecting Edo to Kyoto in Japan. Unlike the inland and less heavily travelled Nakasendō, the Tōkaidō travelled along the sea coast of eastern Honshū, hence the route's name....

, while his son Hidetada went along the Nakasendō
Nakasendo
The , also called the , was one of the five routes of the Edo period, and one of the two that connected Edo to Kyoto in Japan. There were 69 stations between Edo and Kyoto, crossing through Musashi, Kōzuke, Shinano, Mino and Ōmi provinces...

 with 38,000 soldiers. A battle against Sanada Masayuki in Shinano Province
Shinano Province
or is an old province of Japan that is now present day Nagano Prefecture.Shinano bordered on Echigo, Etchū, Hida, Kai, Kōzuke, Mikawa, Mino, Musashi, Suruga, and Tōtōmi Provinces...

 delayed Hidetada's forces, and they did not arrive in time for the main battle.

This battle was the biggest and likely the most important battle in Japanese history. It began on October 21, 1600 with a total of 160,000 men facing each other. The Battle of Sekigahara ended with a complete Tokugawa victory. The Western bloc was crushed and over the next few days Ishida Mitsunari and many other western nobles were captured and killed. Tokugawa Ieyasu was now the de facto
De facto
De facto is a Latin expression that means "concerning fact." In law, it often means "in practice but not necessarily ordained by law" or "in practice or actuality, but not officially established." It is commonly used in contrast to de jure when referring to matters of law, governance, or...

 ruler of Japan.

Immediately after the victory at Sekigahara, Ieyasu redistributed land to the vassals who had served him. Ieyasu left some western daimyo un-harmed, such as the Shimazu clan
Shimazu clan
The were the daimyō of the Satsuma han, which spread over Satsuma, Ōsumi and Hyūga provinces in Japan.The Shimazu were identified as one of the tozama or outsider daimyō clans in contrast with the fudai or insider clans which were hereditary vassals or allies of the Tokugawa clan,The Shimazu were...

, but others were completely destroyed. Toyotomi Hideyori (the son of Hideyoshi) lost most of his territory which were under management of western daimyo, and he was degraded to an ordinary daimyo, not a ruler of Japan. In later years the vassals who had pledged allegiance to Ieyasu before Sekigahara became known as the fudai
Fudai
was a class of daimyo who were hereditary vassals of the Tokugawa in Edo period Japan. It was primarily the fudai who filled the ranks of the Tokugawa administration.-Origins:...

 daimyo, while those who pledged allegiance to him after the battle (in other words, after his power was unquestioned) were known as tozama
Tozama
A ' was a daimyo who was considered an outsider by the rulers of Japan. The term came into use in the Kamakura period and continued until the end of the Edo period.-Edo period:...

 daimyo. Tozama daimyo were considered inferior to fudai daimyo.

Shogun Ieyasu (1603–1605)

On March 24, 1603, Tokugawa Ieyasu received the title of shogun
Shogun
A was one of the hereditary military dictators of Japan from 1192 to 1867. In this period, the shoguns, or their shikken regents , were the de facto rulers of Japan though they were nominally appointed by the emperor...

 from Emperor Go-Yōzei. Ieyasu was 60 years old. He had outlasted all the other great men of his times: Nobunaga, Hideyoshi, Shingen, Kenshin. He was the shogun and he used his remaining years to create and solidify the Tokugawa shogunate
Tokugawa shogunate
The Tokugawa shogunate, also known as the and the , was a feudal regime of Japan established by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family. This period is known as the Edo period and gets its name from the capital city, Edo, which is now called Tokyo, after the name was...

 (That was eventually to become the Edo period
Edo period
The , or , is a division of Japanese history which was ruled by the shoguns of the Tokugawa family, running from 1603 to 1868. The political entity of this period was the Tokugawa shogunate....

, about two hundred years under Ieyasu's Shogunate) , the third shogunal government (after the Minamoto and the Ashikaga). He claimed descent from the Minamoto clan
Minamoto clan
was one of the surnames bestowed by the Emperors of Japan upon members of the imperial family who were demoted into the ranks of the nobility. The practice was most prevalent during the Heian Period , although its last occurrence was during the Sengoku Era. The Taira were another such offshoot of...

 by way of the Nitta family
Nitta family
The ' was one of several major families descended from the Seiwa Genji, and numbered among the chief enemies of the Ashikaga shogunate, and later the Hōjō clan regents...

. Ironically, Ieyasu's descendants would marry into the Taira clan
Taira clan
The was a major Japanese clan of samurai in historical Japan.In reference to Japanese history, along with Minamoto, Taira was a hereditary clan name bestowed by the emperors of the Heian Period to certain ex-members of the imperial family when they became subjects...

 and Fujiwara Clans. The Tokugawa Shogunate would rule Japan for the next 250 years.

Following a well established Japanese pattern, Ieyasu abdicated his official position as shogun in 1605. His successor was his son and heir, Tokugawa Hidetada
Tokugawa Hidetada
was the second shogun of the Tokugawa dynasty, who ruled from 1605 until his abdication in 1623. He was the third son of Tokugawa Ieyasu, the first shogun of the Tokugawa shogunate.-Early life :...

. This may have been done, in part to avoid being tied up in ceremonial duties, and in part to make it harder for his enemies to attack the real power center, and in part to secure a smoother succession of his son. The abdication of Ieyasu had no effect on the practical extent of his powers or his rule; but Hidetada nevertheless assumed a role as formal head of the bakufu bureaucracy.

Retired shogun (1605–1616)

Ieyasu, acting as the , remained the effective ruler of Japan until his death. Ieyasu retired to Sunpu Castle
Sunpu Castle
was a Japanese castle in Shizuoka City, Shizuoka Prefecture in Japan. The sobriquet of this feudal fortress was the "Castle of the Floating Isle." It was also referred to as or .-History:...

 in Sunpu, but he also supervised the building of Edo Castle
Edo Castle
, also known as , is a flatland castle that was built in 1457 by Ōta Dōkan. It is located in Chiyoda in Tokyo, then known as Edo, Toshima District, Musashi Province. Tokugawa Ieyasu established the Tokugawa shogunate here. It was the residence of the shogun and location of the shogunate, and also...

, a massive construction project which lasted for the rest of Ieyasu's life. The end result was the largest castle in all of Japan, the costs for building the castle being borne by all the other daimyo, while Ieyasu reaped all the benefits. The central donjon
Keep
A keep is a type of fortified tower built within castles during the Middle Ages by European nobility. Scholars have debated the scope of the word keep, but usually consider it to refer to large towers in castles that were fortified residences, used as a refuge of last resort should the rest of the...

, or tenshu, burned in the 1657 Meireki
Meireki
was a after Jōō and before Manji. This period spanned the years from April 1655 to July 1658. The reigning emperor was .-Change of era:* 1655 : The era name was changed to mark the enthronement of Emperor Go-Sai...

 fire. Today, the Imperial Palace stands on the site of the castle.

Ogosho Ieyasu also supervised diplomatic affairs with the Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 and Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

. He chose to distance Japan from the Europeans starting in 1609, although the bakufu did give the Dutch exclusive trading rights and permitted them to maintain a "factory" for trading purposes. From 1605 until his death, Ieyasu consulted with an English Protestant pilot in Dutch employ, William Adams
William Adams (sailor)
William Adams , also known in Japanese as Anjin-sama and Miura Anjin , was an English navigator who travelled to Japan and is believed to be the first Englishman ever to reach that country...

, who played a noteworthy role in forming and furthering the Shogunate's evolving relations with Spain and the Roman Catholic Church
Roman Catholic Church
The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, with over a billion members. Led by the Pope, it defines its mission as spreading the gospel of Jesus Christ, administering the sacraments and exercising charity...

.

In 1611, Ieyasu, at the head of 50,000 men, visited Kyoto to witness the coronation of Emperor Go-Mizunoo. In Kyoto, Ieyasu ordered the remodeling of the imperial court and buildings, and forced the remaining western daimyo to sign an oath of fealty to him. In 1613, he composed the Kuge Shohatto a document which put the court daimyo under strict supervision, leaving them as mere ceremonial figureheads. The influences of Christianity, which was beset by quarreling over the Protestant Reformation
Protestant Reformation
The Protestant Reformation was a 16th-century split within Western Christianity initiated by Martin Luther, John Calvin and other early Protestants. The efforts of the self-described "reformers", who objected to the doctrines, rituals and ecclesiastical structure of the Roman Catholic Church, led...

 and its aftermath, on Japan were proving problematic for Ieyasu. In 1614, he signed the Christian Expulsion Edict which banned Christianity, expelled all Christians and foreigners, and banned Christians from practicing their religion. As a result, many Kirishitan
Kirishitan
, from Portuguese cristão, referred to Roman Catholic Christians in Japanese and is used as a historiographic term for Roman Catholics in Japan in the 16th and 17th centuries. Christian missionaries were known as bateren or iruman...

s (early Japanese Christians) fled to either Portuguese Macau
Macau
Macau , also spelled Macao , is, along with Hong Kong, one of the two special administrative regions of the People's Republic of China...

 or the Spanish Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

.

In 1615, he prepared the Buke Shohatto, a document setting out the future of the Tokugawa regime.

Siege of Osaka

The climax of Ieyasu's life was the siege of Osaka Castle (1614–1615). The last remaining threat to Ieyasu's rule was Hideyori, the son and rightful heir to Hideyoshi. He was now a young daimyo living in Osaka Castle. Many samurai who opposed Ieyasu rallied around Hideyori, claiming that he was the rightful ruler of Japan. Ieyasu found fault with the opening ceremony of a temple built by Hideyori—it was as if Hideyori prayed for Ieyasu's death and the ruin of Tokugawa clan. Ieyasu ordered Toyotomi to leave Osaka Castle, but those in the castle refused and started to gather samurai into the castle. Then the Tokugawa, with a huge army led by Ogosho Ieyasu and Shogun Hidetada, laid siege to Osaka castle in what is now known as "the Winter Siege of Osaka." Eventually, Tokugawa made a deal threatening Hideyori's mother, Yodogimi, firing cannons towards the castle to stop the fighting. However, as soon as the treaty was agreed upon, Tokugawa filled Osaka Castle's moats with sand so his troops could go across them. Ieyasu returned to Sumpu once, but after Toyotomi refused another order to leave Osaka, he and his allied army of 155,000 soldiers attacked Osaka Castle again in "the Summer Siege of Osaka." Finally in late 1615, Osaka Castle fell and nearly all the defenders were killed including Hideyori, his mother (Hideyoshi's widow, Yodogimi), and his infant son. His wife, Senhime
Senhime
Senhime or Lady Sen was the eldest daughter of the shogun Tokugawa Hidetada and his wife Oeyo. She was born during the warring-states period of Japanese history...

 (a granddaughter of Ieyasu), was sent back to Tokugawa alive. With the Toyotomi finally extinguished, no threats remained to Tokugawa's domination of Japan.

The end of his life

In 1616, Ieyasu died at age 73. The cause of death is thought to have been cancer or syphilis
Syphilis
Syphilis is a sexually transmitted infection caused by the spirochete bacterium Treponema pallidum subspecies pallidum. The primary route of transmission is through sexual contact; however, it may also be transmitted from mother to fetus during pregnancy or at birth, resulting in congenital syphilis...

. The first Tokugawa shogun was posthumously deified with the name Tōshō Daigongen (東照大権現), the "Great Gongen, Light of the East". (A Gongen (the prefix Dai- meaning great) is believed to be a buddha
Buddhahood
In Buddhism, buddhahood is the state of perfect enlightenment attained by a buddha .In Buddhism, the term buddha usually refers to one who has become enlightened...

 who has appeared on Earth in the shape of a kami
Kami
is the Japanese word for the spirits, natural forces, or essence in the Shinto faith. Although the word is sometimes translated as "god" or "deity", some Shinto scholars argue that such a translation can cause a misunderstanding of the term...

 to save sentient beings). In life, Ieyasu had expressed the wish to be deified after his death in order to protect his descendants from evil. His remains were buried at the Gongens' mausoleum at Kunōzan, Kunōzan Tōshō-gū
Kunozan Tosho-gu
The is a Shintō shrine in Suruga-ku in the city of Shizuoka in Shizuoka Prefecture, Japan. It is the original burial place of the first Shōgun of the Tokugawa Shogunate, Tokugawa Ieyasu, and is thus the oldest of the Tōshō-gū shrines in the country. The main festival of the shrine is held annually...

 (久能山東照宮). After the first anniversary of his death, his remains were reburied at Nikkō Shrine, Nikkō Tōshō-gū
Nikko Tosho-gu
is a Shinto shrine located in Nikkō, Tochigi Prefecture, Japan. It is part of the "Shrines and Temples of Nikkō", a UNESCO World Heritage Site.Tōshō-gū is dedicated to Tokugawa Ieyasu, the founder of the Tokugawa shogunate. Initially built in 1617, during the Edo period, while Ieyasu's son Hidetada...

 (日光東照宮). His remains are still there. The mausoleum's architectural style became known as gongen-zukuri
Gongen
During the era of shinbutsu shūgō , in Japan a During the era of shinbutsu shūgō (religious syncretism of kami and buddhas), in Japan a During the era of shinbutsu shūgō (religious syncretism of kami and buddhas), in Japan a ( was believed to be a Japanese kami which was really just the local...

, that is gongen-style.

Ieyasu as a person

Ieyasu had a number of qualities that enabled him to rise to power. He was both careful and bold—at the right times, and at the right places. Calculating and subtle, Ieyasu switched alliances when he thought he would benefit from the change. He allied with the Hōjō clan; then he joined Hideyoshi's army of conquest, which destroyed the Hōjō clan; and he himself took over their lands. In this he was like other daimyo of his time. This was an era of violence, sudden death, and betrayal. He was not very well liked nor personally popular, but he was feared and he was respected for his leadership and his cunning. For example, he wisely kept his soldiers out of Hideyoshi's campaign in Korea.

He was capable of great loyalty: once he allied with Oda Nobunaga, he never went against Nobunaga; and both leaders profited from their long alliance. He was known for being loyal towards his personal friends and vassals, whom he rewarded, He was said to have a close friendship with his vassal Hattori Hanzo
Hattori Hanzo
, also known as , was a famous samurai and ninja master of the Sengoku era, credited with saving the life of Tokugawa Ieyasu and then helping him to become the ruler of united Japan. Today, he is often a subject of modern popular culture.-Biography:...

. However, he also remembered those who had wronged him in the past. It is said that Ieyasu executed a man who came into his power because he had insulted him when Ieyasu was young.

Ieyasu protected many former Takeda retainers from the wrath of Oda Nobunaga, who was known to harbor a bitter grudge towards the Takeda. He managed to successfully transform many of the retainers of the Takeda, Hōjō, and Imagawa clans—all whom he had defeated himself or helped to defeat—into loyal followers.

He had nineteen wives and concubines, by whom he had eleven sons and five daughters. The eleven sons of Ieyasu were Matsudaira Nobuyasu (松平 信康), Yūki Hideyasu
Yuki Hideyasu
was a Japanese daimyo who lived during the Azuchi-Momoyama and early Edo periods. Born the second son of Tokugawa Ieyasu, he established the Echizen Fukui Domain.-Birth:...

 (結城 秀康), Tokugawa Hidetada
Tokugawa Hidetada
was the second shogun of the Tokugawa dynasty, who ruled from 1605 until his abdication in 1623. He was the third son of Tokugawa Ieyasu, the first shogun of the Tokugawa shogunate.-Early life :...

 (徳川 秀忠), Matsudaira Tadayoshi (松平 忠吉), Takeda Nobuyoshi
Takeda Nobuyoshi
was a Japanese daimyo of the early Edo period. Born Tokugawa Fukumatsumaru, he was one of Tokugawa Ieyasu's sons. His mother is believed to have been Otoma, the daughter of Takeda clan retainer Akiyama Torayasu. As Ieyasu took pity on the destroyed Takeda clan, he changed his son's name to Takeda...

 (武田 信吉), Matsudaira Tadateru
Matsudaira Tadateru
was a daimyo during the Edo period of Japan. He was the sixth son of Tokugawa Ieyasu. He was born in Edo Castle during the year of the dragon , and as a child his name was Tatsuchiyo. His mother was , a concubine of Ieyasu...

 (松平 忠輝), Matsuchiyo (松千代), Senchiyo (仙千代), Tokugawa Yoshinao
Tokugawa Yoshinao
was a Japanese daimyo of the early Edo period.- Biography :Born as the ninth son of Tokugawa Ieyasu, his childhood name was Gorōtamaru. While still a young child, he was appointed leader of first the fief of Kofu in Kai Province and later the fief of Kiyosu in Owari Province...

 (徳川 義直), Tokugawa Yorinobu
Tokugawa Yorinobu
was a Japanese daimyo of the early Edo period.Born under the name Nagafukumaru, he was the 10th son of Tokugawa Ieyasu, by his concubine Oman-no-kata. On December 8, 1603, Yorinobu received the fief of Mito, then rated at 200,000 koku, as his fief. Mito had formerly belonged to his older brother,...

 (徳川 頼宣), and Tokugawa Yorifusa
Tokugawa Yorifusa
, also known as Mito Yorifusa, was a Japanese daimyo of the early Edo period.- Biography :Known in his childhood as Tsuruchiyomaru, he was the eleventh son of Tokugawa Ieyasu, the first Tokugawa shogun...

 (徳川 頼房). (In this listing, the two sons without surnames died before adulthood.) His daughters were Kame hime
Hime
is the Japanese word for princess or a lady of higher birth. Daughters of a monarch are actually referred to by other terms, e.g. , literally king's daughter, even though Hime can be used to address Ōjo....

 (亀姫), Toku
Toku Hime (1565–1615)
Toku-hime was a princess during the Sengoku and Edo periods of Japanese history. She was the second daughter of Tokugawa Ieyasu; her mother was Lady Nishigori , one of Ieyasu's concubines...

 hime (徳姫), Furi hime (振姫), Matsu hime (松姫) , Eishōin hime (_姫), and Ichi hime (市姫). He is said to have cared for his children and grandchildren, establishing three of them, Yorinobu, Yoshinao, and Yorifusa as the daimyos of Kii, Owari
Owari Domain
The was a feudal domain of Japan in the Edo period. Located in what is now the western part of Aichi Prefecture, it encompassed parts of Owari, Mino, and Shinano provinces. Its headquarters were at Nagoya Castle. At its peak, it was rated at 619,500 koku, and was the largest holding of the...

, and Mito
Mito Domain
was a prominent feudal domain in Japan during the Edo period. Its capital was the city of Mito, and it covered much of present-day Ibaraki Prefecture. Beginning with the appointment of Tokugawa Yorifusa by his father, Shogun Tokugawa Ieyasu, in 1608, the Mito branch of the Tokugawa clan...

 provinces, respectively. At the same time, he could be ruthless when crossed. For example, he ordered the executions of his first wife and his eldest son—a son-in-law of Oda Nobunaga
Oda Nobunaga
was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

; Oda was also an uncle of Hidetada's wife Oeyo.
After Hidetada became shogun, he married Oeyo
Oeyo
, , or : 1573 – September 15, 1626) was a prominently-placed female figure in late-Sengoku period. She married three times, first to Saji Kazunari, then to Toyotomi Hideyoshi's nephew Toyotomi Hidekatsu. Her third and last husband Tokugawa Hidetada became the second Tokugawa shogun...

 of the Oda clan
Oda clan
The was a family of Japanese daimyo who were to become an important political force in the unification of Japan in the mid-16th century. Though they had the climax of their fame under Oda Nobunaga and fell from the spotlight soon after, several branches of the family would continue on as daimyo...

 and they had two sons, Tokugawa Iemitsu
Tokugawa Iemitsu
Tokugawa Iemitsu was the third shogun of the Tokugawa dynasty. He was the eldest son of Tokugawa Hidetada, and the grandson of Tokugawa Ieyasu. Iemitsu ruled from 1623 to 1651.-Early life :...

 and Tokugawa Tadanaga
Tokugawa Tadanaga
was a Japanese daimyo of the early Edo period. The son of the second shogun Tokugawa Hidetada, his elder brother was the third shogun Tokugawa Iemitsu.- Life :...

. They also had two daughters, one of whom, Sen hime
Hime
is the Japanese word for princess or a lady of higher birth. Daughters of a monarch are actually referred to by other terms, e.g. , literally king's daughter, even though Hime can be used to address Ōjo....

, married twice. The other daughter, Kazuko hime, married Emperor Go-Mizunoo of descent from the Fujiwara clan.

Ieyasu's favorite pastime was falconry
Falconry
Falconry is "the taking of wild quarry in its natural state and habitat by means of a trained raptor". There are two traditional terms used to describe a person involved in falconry: a falconer flies a falcon; an austringer flies a hawk or an eagle...

. He regarded it as excellent training for a warrior. "When you go into the country hawking, you learn to understand the military spirit and also the hard life of the lower classes. You exercise your muscles and train your limbs. You have any amount of walking and running and become quite indifferent to heat and cold, and so you are little likely to suffer from any illness.". Ieyasu swam often; even late in his life he is reported to have swum in the moat of Edo Castle.

Later in life he took to scholarship and religion, patronizing scholars like Hayashi Razan
Hayashi Razan
, also known as Hayashi Dōshun, was a Japanese Neo-Confucian philosopher, serving as a tutor and an advisor to the first four shoguns of the Tokugawa bakufu. He is also attributed with first listing the Three Views of Japan. Razan was the founder of the Hayashi clan of Confucian scholars.Razan was...

.

Two of his famous quotes:
"Life is like unto a long journey with a heavy burden. Let thy step be slow and steady, that thou stumble not. Persuade thyself that imperfection and inconvenience are the lot of natural mortals, and there will be no room for discontent, neither for despair. When ambitious desires arise in thy heart, recall the days of extremity thou have passed through. Forbearance is the root of all quietness and assurance forever. Look upon the wrath of thy enemy. If thou only knows what it is to conquer, and knowest not what it is to be defeated; woe unto thee, it will fare ill with thee. Find fault with thyself rather than with others."

"The strong manly ones in life are those who understand the meaning of the word patience. Patience means restraining one's inclinations. There are seven emotions: joy, anger, anxiety, adoration, grief, fear, and hate, and if a man does not give way to these he can be called patient. I am not as strong as I might be, but I have long known and practiced patience. And if my descendants wish to be as I am, they must study patience."


He claimed that he fought, as a warrior or a general, in 90 battles.

He was interested in various kenjutsu
Kenjutsu
, meaning "the method, or technique, of the sword." This is opposed to kendo, which means the way of the sword. Kenjutsu is the umbrella term for all traditional schools of Japanese swordsmanship, in particular those that predate the Meiji Restoration...

 skills, was a patron of the Yagyū Shinkage-ryū
Yagyu Shinkage-ryu
is one of the oldest Japanese schools of swordsmanship . Its primary founder was Kamiizumi Nobutsuna, who called the school Shinkage-ryū. In 1565, Nobutsuna bequeathed the school to his greatest student, Yagyū Munetoshi, who added his own name to the school. Today, the Yagyū Shinkage-ryū remains...

 school, and also had them as his personal sword instructors.

Era of Ieyasu's rule

Ieyasu ruled directly as shogun or indirectly as Ogosho during the Keichō
Keicho
was a after Bunroku and before Genna. This period spanned from October 1596 to July 1615. The reigning emperors were and .-Change of era:* 1596 : The era name was changed to Keichō to mark the passing of various natural disasters...

 era (1596–1615).
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