He was the fourth son (maybe the eldest or the third son) of Nobuyoshi TAKEDA who was Toryo (leader) of MINAMOTO no Yoshimitsu line of Seiwa-Genji (Minamoto clan), Kai-Genji (Minamoto clan).
清和源氏源義光流、甲斐源氏の棟梁・武田信義の四男（あるいは長男、三男）。