It is said that for this reason, he did not really want to attack the Kinugasa-jo Castle; however, as his father Shigeyoshi HATAKEYAMA stayed in Kyoto as Obanyaku (the job in charge of guarding Kyoto), there was nothing he could do except to fight as a person on the side of the Taira clan.
このため重忠は衣笠城攻撃を行うのは本意でなかったが、父の畠山重能が大番役で在京していたため、平氏方として働かざるを得なかったとされる。