The Takanashi clan of 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...

 were direct descendants of Minamoto no Yorisue, son of Yorinobu

Minamoto no Yorinobu

was a samurai commander and member of the powerful Minamoto clan. He was the son of Minamoto no Mitsunaka . Along with his brother Yorimitsu, Yorinobu served the regents of the Fujiwara clan, taking the violent measures the Fujiwara were themselves unable to take. He held the title, passed down...

. One of the grandsons of Yorisue soon on took the name Takanashi. Takanashi Tadanao was a noted retainer of 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...

 during the Genpei War

Genpei War

The was a conflict between the Taira and Minamoto clans during the late-Heian period of Japan. It resulted in the fall of the Taira clan and the establishment of the Kamakura shogunate under Minamoto Yoritomo in 1192....

. During the Sengoku Period

Sengoku period

The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

, the Takanashi enjoyed much prosperity and expansion in the Shinano region, until being attacked by 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...

. When the Takeda clan invaded their territory in 1553, the Takanashi allied with the Murakami, Ogasawara

Ogasawara clan

The was a Japanese samurai clan descended from the Seiwa Genji. The Ogasawara acted as shugo of Shinano province in the medieval period The was a Japanese samurai clan descended from the Seiwa Genji. The Ogasawara acted as shugo (governors) of Shinano province in the medieval period The was a...

, and Suda clans. However, they all turned to 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 Echigo Province

Echigo Province

was an old province in north-central Japan, on the shores of the Sea of Japan. It was sometimes called , with Echizen and Etchū Provinces. Today the area is part of Niigata Prefecture, which also includes the island which was the old Sado Province. This province was the northernmost part of the...

 for assistance. The Takanashi lost their domain, but they managed to stay as retainers of the Uesugi clan

Uesugi clan

The was a Japanese samurai clan, descended from the Fujiwara clan and particularly notable for their power in the Muromachi and Sengoku periods ....

.