It was not easy for the marriage to proceed because Kazunomiya was engaged to Prince Arisugawanomiya Taruhito, and her brother Emperor Komei did not want to send her to the Kanto region, a place where foreigners lived, but eventually the emperor, who was not opposed to the idea of kobu-gattai, approved the marriage to Iemochi, as recommended by Tomomi IWAKURA.
和宮は有栖川宮熾仁親王との婚約がすでにあり、外国人のいる関東へ行かせたくないと難色を示した孝明天皇も、公武合体には基本的に賛成であり、岩倉具視らの進言もあって最終的に家茂への降嫁を認めた。