If he had been born in 1432, the theories about the active period of Morisada, father of the shogunate retainer Moritoki ISE, or about his being the nephew of Sadachika ISE (Moritoki's mother's brother) would not stand.
永享4年（1432年）生れだと近年有力視された幕臣伊勢盛時の父盛定の活動時期とも伊勢貞親（盛時の母の兄弟）の甥という系譜関係も成り立たなくなる。