Portrait of Taira no Shigemori, attributed to Fujiwara No Takanobu. Color on silk.
In this Japanese name, the family name is Taira.
Taira no Shigemori (平 重盛, 1138 – September 2, 1179) was the eldest son of the Taira clan patriarch, Taira no Kiyomori. He took part in the Hōgen and Heiji rebellions. He died of illness in 1179.
The original article can be found at Taira no Shigemori and the edit history here.