Many of them were descendants of hyojoshu (a member of the Council of State), hikitsukeshu, and bugyonin (a magistrate) of the Kamakura bakufu, and some served concurrently as hyojoshu or bugyonin in the Muromachi bakufu.
その多くは鎌倉幕府の評定衆・引付衆・奉行人の末裔であり、室町幕府の評定衆や奉行人を兼ねるものもいた。