Although his son, the Prince Funado became the Crown Prince by the Emperor Shomu's will when the Emperor died, he was demoted from the Crown Prince due to his bad behavior in 757, then he was tortured and died in prison on the accusation of the involvement in the revolt of TACHIBANA no Naramaro in July of the same year.
756年5月の聖武天皇崩御の際、天皇の遺詔により子の道祖王が皇太子に立てられるが、翌757年品行不良を理由に皇太子を解かれ、同年7月橘奈良麻呂の乱に加担したとして拷問され獄死。