However, its male line came to an end in 744, when his great grandchild, Prince Asaka, died at an early age. (There is a theory that he was assassinated by FUJIWARA no Nakamaro.)
しかし、男系は744年（天平16年）の曾孫・安積親王の早世（藤原仲麻呂による暗殺説あり）で途絶えてしまった。