The Mountbatten familyi s relationship with the British monarchy is so close that Prince Harry s children, Princess Lilibet and Prince Archie, carry its surname (hyphenated with Windsor).
Kate and William named Prince Louis after Royal Family s secret weapon ok.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ok.co.uk Daily Mail and Mail on Sunday newspapers.
The Prince and Princess of Wales decided to name their youngest child after a legendary member of the Royal Family who was also known as the 'secret weapon' - and was a mentor to King Charles
It is remembered as one of the most shocking events to hit the Royal Family in modern times. Yet the loss of Princess Diana in 1997 was not the first shattering royal death the Windsors suffered.