On November 13, 773, Imperial Princess Inoe was accused of cursing the Imperial Princess Naniwa (older maternal half-sister of Emperor Konin) and Imperial Prince Osane and his mother were confined in a confiscated house in Uchi district, Yamato province (current Gojo city, Nara prefecture).
更に翌宝亀4年10月19日(旧暦)には井上内親王が難波内親王（光仁天皇の同母姉）を呪い殺したという容疑を受けて、他戸親王は母とともに庶人とされて、大和国宇智郡（現在の奈良県五條市）没官の邸に幽閉された。