When Mitsusue went to Kanzaki, since it was TAIRA no Kiyomori's prime, Mitsusue was placed under the Taira family along with other Matsuura Party including the Yamashiro clan.
満末が下向した頃は平清盛の全盛期であったこともあり満末は山代氏や他の松浦党と同じく平家の傘下に置かれる。