According to the "Honcho koin jounroku" (the Emperor's family tree, made in Muromachi period), it is known that there were two sons of Imperial Prince Tokiwanomiya Mataakira who were adopted by Imperial Prince Fushiminomiya Sadafusa, like Cloistered Imperial Prince Goko (the original name: 'Tsuneoki') who was adopted by Imperial Prince Fushiminomiya Sadafusa and entered Kaju-ji Temple.
伏見宮貞成親王猶子となり勧修寺に入った恒弘法親王（初名「恒興」）と同じく後崇光院猶子となった常盤井宮全明親王の2名の男子がいたことが『本朝皇胤紹運録』から分かっている。