According to "Ima Kagami (The Mirror of the Present)," Emperor Gosuzaku considered Prince Takahito of his older brother, Prince Chikahito's (Emperor Goreizei) successor, as Crowin Princes' younger brother, although Yorimichi was against it, at Yoshinobu's insistence Prince Takahito became the crown prince.
『今鏡』によると、後朱雀天皇が尊仁親王を兄の親仁親王（後冷泉天皇）の皇太弟にと考えていたのを、頼通が抑えていたのに対し、能信が強く薦めて、その遺詔により皇太弟となる事が出来たとある。