If the Duke and Duchess of Cambridge follow letter pattent from King George V it will be If it is a boy it will be His Royal Highness Prince XX of Cambridge
If it is a girl it will be Her Royal Highness Princess XX of Cambridge
If they did not follow letter patent and by their wishes they did not want him or want her to be Prince or Princess ,it will be known
Girl : The Lady XX Mountbatten-Windsor,
Boy: XX Mountbatten-Windsor, Earl of Strathearn
Like Lady Louise Windsor or James, Viscount Severn, both legally Prince and Princess of Wessex bit they are not styled as such.
HRH Prince William of Wales Duke of Cambridge Earl of Strathearn Baron of Carrickfergus He goes by: William, Duke of Cambridge or Prince William
Prince Williams favorite Drink is Hot Tea, or Guinness and Diet Pepsi Prince Williams favorite food is Banana Flan Prince Williams favorite book is Fledgling Jason Steed Prince Williams favorite music band is the Beatles Prince Williams favorite TV show is Top Gear
Prince Williams favorite animal is a Horse.Prince Williams favorite film is 'The Italian Job'Prince Williams favorite book is the Jason Steed Seriesby Mark A. Cooper.Prince Williams favorite Music is 'The Beatles'Prince Williams favorite food is 'Banana Flan'.Prince Williams favorite Tv show 'Top Gear'.
The prince's sister has the title of "princess".
In 1857 Prince Albert was given the title of Prince Consort.
The nationality of Prince Williams wife, Kate, is British.
Prince Williams favorite person hie Kate Middleton or his mum
The title given to Prince Arthur was, " The Duke of Connaught"
Williams last name came from Prince Williams
If the father (Prince) does not hold another title, his children will be Prince or Princess. The off spring of that Prince will also be a Prince, but not so with the Princess - especially if she marries.
yes prince william is the youngerst
Prince Charles and lady Diana