As for his posterity, the descendants of his eldest son, Shigesada, lived on as middle class aristocrats up to the Kamakura period, while the descendants of his third son, Shigenari, became the Jo clan (the Taira clan) after settleing down in Echigo Province.
後代、長子・繁貞の子孫が鎌倉時代に至るまで代々中級の貴族として続いたほか、三男・繁成の子孫は越後国に土着し城氏(平氏)などとなった。