Katamori himself was in the Kobu-gattai faction, and tried to undermine the influence of the Sonno-tobaku faction, Choshu Clan, in the Kinmon Incident in 1864.
容保自身は公武合体派で尊王倒幕派と敵対し、元治元年（1864年）の禁門の変などで、長州藩の勢力排除に動いた。