Some say that the contents of the Imperial instruction merely refers to the order of accession of Ishikawasho, Kawachi Province, and since Okagami (The Great Mirror) written in the early twelfth century, describes that Buke-Genji (Minamoto clan as samurai families) is the descendant of Emperor Seiwa, many scholars believe that the Seiwa-Genji theory is true.
また、告文の内容は河内石川庄の相続順序に過ぎないとする説や、12世紀はじめに書かれた大鏡が武家源氏を清和天皇の末としている事もあり、清和源氏が正しいとする学者が多くいる。