It is said that the founder of the Hisada family was Sanefusa HISADA, a samurai retainer of Yoshizane SASAKI, who was a later Muromachi period descendant of the Misono clan of the MINAMOTO no Mitsusue line of Seiwa-Genji (Minamoto clan).
久田家の家祖は清和源氏源満季流御園氏末裔といわれ、室町末期の佐々木義実の家臣で久田実房という武人が元祖だとされる。