Nitta clan's soryo-shiki (clan leadership rights) was confiscated and awarded to one of its families, Serada clan, which was shared by the Iwamatsu clan, as well as the Serada clan.
新田氏惣領職は没収され、一族の世良田頼氏に与えられ、世良田氏とともに岩松氏が分担する。