The new surname being used by Prince George and Princess Charlotte was revealed for the first time publicly on the Queen's funeral order of service.
Prince William's children will now be known as they are now to be known as Wales instead of Cambridge, following King Charles III's decision to make their father and mother Prince and Princess of Wales. Growing up, Harry and William were both known with the surname Wales.
Royal expert Angela Mollard said: "This must have been an enormous few days for Catherine. She's taken on a new role herself, but she's also got to teach her very young children. aged nine, seven and four, that their surnames have changed. They are no longer George, Charlotte and Louis Cambridge, they are now George, Charlotte and Louis Wales.
