What is the Royal Family's last name?

Question

Whenever you hear about Prince Charles or Prince Harry or William, you never hear their last name. Do they have one? I know this is a silly question but I have never heard so I am curious. Thanks!

Answer 1

Descendants of Elizabeth II and Phillip, Duke of Edinburgh, use the hyphenated surname Mountbatten-Windsor when they need to furnish a surname.  This differs from the name of the dynasty, which is still  "Windsor" (at least according to Wikipedia).  Occasionally, Princes William and Harry are also referred to as William Wales and Harry Wales, using the title of the Prince of Wales.

Answer 2

It's Windsor.

Answer 3

Windsor

Answer 4

Greedy.