Yukikiyo was a member of a powerful local clan, which had dominated around Nakayama Town, Yabase District, Hoki Province (present-day Daisen Town in Saihaku District, and Kotoura Town and Akasaki Town in Tohaku District) from around the late Kamakura period.
幸清は鎌倉末期ごろから伯耆国八橋郡中山町付近（現在の西伯郡大山町から東伯郡琴浦町赤碕町にかけての地域）に勢力を誇っていた土豪であった。