The clan submitted to the Muromachi bakufu during the era of the second seii taishogun (literally, "great general who subdues the barbarians") Yoshiakira ASHIKAGA, with a condition that the clan was guaranteed territory which had been taken away.
二代征夷大将軍足利義詮の時代に切り取った領国の安堵を条件に室町幕府に帰順。