These folktales were made from the end of Heian period to the early Kamakura period and, though FUJIWARA no Minetada's entry in "Chuyu-ki," 'the late Yoshiie Chosin was a wealthy bushi who killed many innocent people.
それらの伝承は平安時代末期から鎌倉時代初期にかけてのものであるが、同時代の藤原宗忠がその日記『中右記』に「故義家朝臣は年来武者の長者として多く無罪の人を殺すと云々。