In 1180, along with TAIRA no Morizumi, he attacked and utterly demolished the survivors of the Ishikawa family at Ishikawa, Kawachi Province, which was home ground of the Ishikawa family.
治承4年(1180年)　平盛澄とともに石川党の残党を石川党の本拠地、河内国石川に攻めて壊滅させる。