His descendants spread to Hizen Province and flourished as the Ogashima (小鹿島) clan named after the place name Ogashima (present-day Oga City, Akita Prefecture) which was temporarily the territory of his second son Kiminari.
子孫は肥前国に広がり、次男の公業が一時所領とした小鹿島（現秋田県男鹿市）の地名をとった小鹿島氏として繁栄した。