Originally styled "Prince Fushimi Sadamaro", he was adopted into the Yamashina-no-miya household in 1869, followed by the Komatsu-no-miya house in 1885.
Awalnya digelari "Pangeran Fushimi Sadamaro", ia diadopsi oleh wangsa Yamashina-no-miya pada 1869, kemudian berpindah ke wangsa Komatsu-no-miya pada 1885.