Although the marriage with Iemochi was confirmed officially, she made the bakufu promise to build a new Palace for her half younger sister, Katsuranomiya Imperial Princess Sumiko, or to make sure she would have her own room in the style of the Imperial Palace, not in the inner rooms of the shogun's palace (Ooku) style, after the marriage.
結局家茂との結婚が決まった後も、幕府に異母姉桂宮淑子内親王の御殿の建設や、降嫁後も大奥風ではなく御所風の生活を守ることなどを約束させている。