Sukemasa, who was the provincial constable of Minami Omi, had established an alliance with the Asakura clan when he was in conflict with the Rokkaku family, the head family of the Kyogoku serving as the provincial constable of Kita Omi, who once was the master of Sukemasa.
亮政は南近江守護であり、かつての主家である北近江守護京極家の本家筋である六角家と対立していた際に、朝倉氏との同盟を築き上げた。