Mitsumune IGA, a nephew of Yukimitsu, became Mandokoro Shitsuji (chief of Mandokoro, the Administrative Board) after Yukimitsu, but after Mitsumune was exiled in the incident of the Iga clan in 1224, Yukimori NIKAIDO, a child of Yukimitsu, was assigned to Mandokoro Shitsuji, and this family succeeded this post.
行光の後の政所執事は行光の甥の伊賀光宗となったが、光宗が1224年（元仁元年）の伊賀氏の変で流罪となったあと、行光の子の二階堂行盛が就任し、以降この家系がほぼ政所執事を世襲する。