However, if Yoritomo's proposal was true, it is supposed that not only Michichika TSUCHIMIKADO, the maternal grandfather of Imperial Prince Tamehito, but also Gotoba-in (the Retired Emperor Gotoba), who would lose the power to control the nation if Morisada became Emperor, opposed it strongly: it is also thought that relations between the Imperial court and the bakufu were seriously strained at this time.
しかしながら、この頼朝の提案が事実とすれば為仁親王の外祖父である土御門通親は勿論のこと、守貞に譲位されれば治天の資格を喪失することになる後鳥羽院はともに強く反発したと予想され、朝幕関係は極めて緊張したと考えられる。