Next, there is a problem of whether or not Noen's mother, 'a hashita mono to court lady, Nijo omiya' was the same as Chikamune's mother, FUJIWARA no Mototaka's daughter.
次に、能円の母「官女二条大宮半物」が親宗の母・藤原基隆女と同一人物であるか、という問題がある。