He was the busho who fought furiously and showed the most remarkable service in Battle of WADA, which was brought by his father Yoshimori, who was a Samuraidokoro Betto (an administrator of the Board of Retainers), to overthrow Hojo clan.
侍所別当だった父義盛が北条氏打倒を企てて起こした和田合戦で、もっともめざましく奮戦した武将。