Through the Onin era to the Bunmei era, Nobumichi served Katsumoto HOSOKAWA as a commander and went to Kyoto, Nobumichi succeeded to distinguish himself during the military service in the Onin War.
応仁・文明(日本)期には、宣通が細川勝元の将として上洛、応仁の乱においてそれなりの軍功を立てたという。