At the beginning of Battle of Wada, Jiro AIHARA, a "hikan" (low-level bureaucrat) of "Chiba no suke" (Assistant Governor of Chiba Province,) apprehended Anenbo, who was carrying a treasonous circular letter, which triggered the revelation of the treason.
和田合戦の当初、千葉介被官粟飯原次郎なる者が、謀反の回文を持った阿念房を捕らえて謀反露顕の端緒をひらいている。