His younger brothers were Ujiyori ISSHIKI, 一色輝季 and Masayoshi WATANABE (a nanushi [village headman] of Kamikawasaki village, Musashi Province [present-day Washimiya-machi]).
弟に一色氏頼、一色輝季、渡辺政義（武蔵国上川崎村（現在の鷲宮町）名主）。