The son and heir of Tsuguuji, Hideuji KAWAKATSU served Hideyoshi TOYOTOMI as an Umamawari (a bodyguard), and in 1582 he was given 3,535 koku (637.68 cubic meters) of Ikaruga County in Tanba Province.
継氏の嫡男川勝秀氏は豊臣秀吉に仕え、秀吉の馬廻を務めて、天正10年（1582年）、丹波国何鹿郡内に3,535石を与えられた。