His family line is Toki clan, the main line of Mino-Genji (Minamoto clan), a collateral line of Settsu-Genji (Minamoto clan), one of the families of Seiwa-Genji (Minamoto clan).
家系は清和源氏の一家系摂津源氏の傍系美濃源氏の嫡流土岐氏。