It seems to have been based on the written records by Yukimitsu NIKAIDO, who was a son of Yukimasa NIKAIDO and the first to be an under secretary of Mandokoro from a commissioner of Mandokoro, and also supplemented by records written by Yasunobu MIYOSHI and Yukimura NIKAIDO, who was a military commissioner of the Wada battle as mentioned above.
二階堂行政の子で初めて政所執事となった政所奉行人二階堂行光の筆録をベースに、三善康信や、和田合戦で軍奉行であった前述の二階堂行村の記録などにより補ったと思われる。