However, similar to the case of Nagatoshi NAWA, there is no document that confirms the lineage from Suefusa to Norikage, and recently, there is a theory arguing that Norimura AKAMATSU (Enshin AKAMATSU) was allowed to proclaim himself as a descendant of the Murakami-Genji (Minamoto clan) when joining the Emperor Godaigo side because of the connection with Chikafusa KITABATAKE, and since the Kitabatake family belonged to the Murakami-Genji (Minamoto clan).
しかし、名和長年同様に季房から則景へと繋がる系譜の確証となる資料がないため、近時、赤松則村（赤松円心）が北畠親房との縁により、後醍醐天皇方に参戦した際に北畠家の属する村上源氏の末裔を自称することを許可された説もある。