The Daily Telegraph reported the detail is mentioned in the monarch's updated order of precedence in the royal family. It means the former Kate Middleton -- when not accompanied by Prince William -- must curtsy to her in-laws Princesses Anne, Alexandra, Beatrice and Eugenie.
When William is with her, Kate, by virtue of her marriage to the prince now the duchess of Cambridge, must only bend the knee to Charles, the prince of Wales; Camilla, the duchess of Cornwall; the queen; and Philip, the duke of Edinburgh, the newspaper said.
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