Inside the Edo castle, due to tradition, the shogun's wife was called 'Midaisama,' however Chikako refused to be called that, she made others call her 'Kazunomiya sama' instead.
江戸城内では武家の習いで将軍の正室を「御台様（みだいさま）」と呼んでいたが、親子はこれを拒否し「和宮様」と呼ばせた。