In 1427, an incident occurred, in which Shogun Yoshimochi ASHIKAGA attempted to confiscate the Harima Province which Mitsusuke took over as head of the family, and to give it to his favorite retainer, Mochisada Akamatsu, then Mitsusuke burned his residense in Kyoto and went back to his own territory.
応永34年（1427年）に満祐が家督を相続した時、将軍足利義持は播磨国を取り上げて寵臣である赤松持貞に与えようとし、満祐が京の屋敷を焼いて領国に引き上げる事件が起こった。