Moreover, he recommended Yoshitomi TOKUGAWA, the lord of the Kii Domain, as heir to the 13th shogun Iesada TOKUGAWA, which deepened the conflict with Nariaki TOKUGAWA of the Hitotsubashi Group (a group supporting Yoshinobu from the Hitotsubashi-Tokugawa family), who had recommended Yoshinobu TOKUGAWA.
さらに第13代将軍・徳川家定の将軍継嗣問題で紀伊藩主の徳川慶福を推挙し、徳川慶喜を推す一橋派の徳川斉昭との対立を深めた。