According to "Kyogoku-shi Kashin Nanigashi Oboegaki bassui" (the extracted memoranda by some vassal of the Kyogoku clan), Ujisato had kept a close friendship with Takatoyo KYOGOKU since the Tenna era, and he received supporting silver from the Kyogoku family.
『京極氏家臣某覚書抜萃』によると京極高豊とは、天和年間以降親交が深く、京極家から合力銀を受けていた。