Why Do Prince William and Prince Harry Have Different Last Names?

Discover why Prince William and Prince Harry use different last names, including Cambridge, Sussex, and Mountbatten-Windsor.

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William and Harry use different last names due to their titles. While William often uses 'Cambridge' (from his dukedom as the Duke of Cambridge), Harry has used 'Sussex' (from his title as the Duke of Sussex). They also can use the family surname, 'Mountbatten-Windsor', for official purposes.

FAQs & Answers

  1. What is the official last name of Prince William and Prince Harry? Their official family surname is Mountbatten-Windsor, used in formal or legal contexts.
  2. Why does Prince William use the last name Cambridge? William uses Cambridge from his dukedom title as the Duke of Cambridge.
  3. Why does Prince Harry use the last name Sussex? Harry uses Sussex derived from his own dukedom as the Duke of Sussex.
  4. Do British royals always use their family surname? Not always; royals often use territorial titles as last names in public scenarios instead of the family surname.

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