Why is prince Charles last name not Mountbatten?

HM King Charles III formally crowned 👑 #CoronationOnTheBBC #Coronation #KingCharlesIII #RoyalFamily

The Mountbatten Connection to the British Royal Family

What Happened To Queen Elizabeth II's Last Name?

What's the Royal Family's Last Name?

What is the King's last name? | #shorts #yahooaustralia

Mountbatten - Windsors surname #royalfamily #queenelizabeth #princephilip #princewilliam

The Name Has to be Windsor | The Crown (Claire Foy, Matt Smith)

Changes to British Royal Titles Since the Death of Queen Elizabeth II

"Oh God I hate this!": King Charles gets annoyed by a leaky pen.

Is Prince Harry's last name Mountbatten?

Boy Flirts with Princess Kate at Windsor Coronation Big Lunch 🤭

This Is How Hard Prince Philip Fought For The Mountbatten Name Among The Royals | ROYAL FLAIR

British Monarchs Family Tree | Alfred the Great to Charles III

What is the KING’S SURNAME? Why are the royal family called Windsor? What is the royal surname?

Passports and surname of members of the royal family #queenelizabeth #princessdiana #princewilliam

New royal baby named Louis in nod to Earl Mountbatten | ITV News

Does The Royal Family Have A Last Name?

Why Do Harry & Meghan's Kids Get Mountbatten-Windsor As Their Surname? | ROYAL FLAIR

Prince Harry and Meghan announce son's name: Archie Harrison Mountbatten-Windsor l GMA Digital