There are also various views on his father, such as Nobushige TAKEDA of the Aki Takeda clan and Shigekiyo BAN, the husband of Motoshige TAKEDA's daughter of the same clan.
父親に関しても安芸武田氏の一族である武田信重の子とも、同じく安芸武田氏である武田元繁の娘婿・伴繁清の息子とも伝わる。