Portrait of Taira no Shigemori, attributed to Fujiwara No Takanobu. Color on silk.

Taira no Shigemori (平 重盛, Taira no Shigemori^? 1138 – 1179) was the eldest son of the Taira clan patriarch, Taira no Kiyomori. For other uses of the word Taira see Taira (disambiguation The was a major Japanese clan in historical Japan was a general of the late Heian period of Japan. He established the first Samurai -dominated administrative government in the history of Japan. He took part in the Hōgen and Heiji rebellions. The Hōgen Rebellion (保元の乱 was a Japanese Civil war fought in 1156 over Japanese imperial succession and control of the Fujiwara The was fought between rival subjects of the cloistered Emperor Go-Shirakawa of Japan in 1159. He died of illness in 1179.