The Rokkaku clan had been opposed to the Kyogoku clan, which originally belonged to the same family, since the Muromachi era when the Kyogoku clan was gaining power, and fought against the Kyogoku clan over the hegemony of Omi.
同族である京極氏とは、京極氏が台頭した室町時代以降敵対し、近江の覇権をめぐって争った。