It was said that he did not want to make his 4th son Iesada Shogun because of his poor health and disability but wanted to make his lawful wife's nephew Yoshinobu Shogun.
四男・家定を将軍にしたくなかったのは、病弱で障害者だったからであり、正室の甥にあたる慶喜を将軍にしたかったという。