The Sanjo family and the Ouchi clan knew each other for a long time, and in May, 1479, Kinatsu SANJO, who was the grandfather of Kinyori, had left the capital for Suo Province, counting on the Ouchi family for support.
三条家と大内氏は古いつきあいで、文明(日本)11年（1479年）4月には公頼の祖父三条公敦が周防の大内家を頼り下向している。