Minamoto no Mitsunaka
Overview
 
, son of Minamoto no Tsunemoto
Minamoto no Tsunemoto
was a samurai and Imperial Prince during Japan's Heian period, the progenitor of the Seiwa Genji branch of the Minamoto clan. He was the son of Sadazumi-shinnō and grandson of Emperor Seiwa....

, was a samurai
Samurai
is the term for the military nobility of pre-industrial Japan. According to translator William Scott Wilson: "In Chinese, the character 侍 was originally a verb meaning to wait upon or accompany a person in the upper ranks of society, and this is also true of the original term in Japanese, saburau...

 and Court official of Japan's Heian period
Heian period
The is the last division of classical Japanese history, running from 794 to 1185. The period is named after the capital city of Heian-kyō, or modern Kyōto. It is the period in Japanese history when Buddhism, Taoism and other Chinese influences were at their height...

. Mitsunaka belonged to the Seiwa Genji
Seiwa Genji
The ' were the most successful and powerful of the many branch families of the Japanese Minamoto clan. Many of the most famous Minamoto warriors, including Minamoto Yoshiie, also known as "Hachimantaro", or God of War, and Minamoto no Yoritomo, the founder of the Kamakura shogunate, were descended...

 branch of the Minamoto clan, which traced its ancestry to Emperor 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:...

. He loyally (if not selflessly) served several successive Fujiwara regents (sessho and kampaku
Sessho and Kampaku
In Japan, was a title given to a regent who was named to assist either a child emperor before his coming of age, or an empress. The was theoretically a sort of chief advisor for the emperor, but was the title of both first secretary and regent who assists an adult emperor. During the Heian era,...

) beginning with Fujiwara no Morotada. Mitsunaka allied himself with Morotada in 969, by implicating Minamoto no Takaakira—Morotada's major political rival—in a plot against the throne.
 
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