He married the daughter of Nobunari TAKEDA (a doctor who lived during the Edo period), who was from the Kawakubo Takeda family (this family was originated from Seiwa-Genji [Minamoto clan]), and their eldest son Nobusato (also known as Shukuan) succeeded to the head of the Kawakubo Takeda family.
河窪武田家（清和源氏を祖とする）の武田信成（江戸期の医師）の娘を嫁として迎え入れ、その長男信郷（叔安）が河窪武田家を継ぐ。