SOGA no Kitashihime (the Queen of Emperor Kinmei) was his elder sister and SOGA no Oanegimi (the Queen of Emperor Kinmei) his younger sister, according to the "Nihon Shoki" (Chronicle of Japan).
姉に蘇我堅塩媛（欽明天皇妃）、『日本書紀』では妹に蘇我小姉君（欽明天皇妃。