After the death of the prince, the Fujiwara four brothers put up Empress Komyo, who was their sister and the wife of Emperor Shomu, as empress and established the administration by four brothers of the Fujiwara clan.
王の没後、藤原四兄弟は妹で聖武天皇の夫人であった光明皇后を皇后に立て、藤原四子政権を樹立する。