When the Muromachi Government was established, he was appointed to the position of Awaji shugo (the Provincial Constable of Awaji Province) and defeated the Uhara clan of the Southern Court (Tatekawase Battle).
室町幕府成立後、淡路守護に任じられ、南朝方の宇原氏を征討した（立河瀬合戦）。