In October 2025, III. King Charles stripped his brother of his previous court titles and titles; an official statement from Buckingham Palace pointed out that he was now listed as Andrew Mountbatten‑Windsor. This raised the question of how his daughters are now called – Princesses Beatrice and Eugenia.
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Regardless of the changing position of their father, both princesses retained their titles and the title “Her Royal Highness” under the provisions of the Letters Patent of 1917. In the official succession order, their names are listed as a combination of title and marriage name: “Princess Beatrice, mistress Edoardo Mapelli Mozzi” and “Princess Eugenia, mistress Jack Brooksbank”. Before their marriage, they were known as” of York”, referring to their father’s title as Duke.
In everyday life, members of the royal family use the surname Mountbatten‑Windsor if necessary, but more often preference is given to the combination of the title and the surname of the spouse – this is the royal tradition. Princess Beatrice has daughters named Sienna (4) and Athena (1), and Princess Eugenia has sons named August (4) and Ernest (2). Princesses sometimes show an attachment to family surnames – Beatrice had a BMM monogrammed accessory, and Eugenia had a “Mrs. He appeared in a jacket labeled” Brooksbank”.
