Heartbreaking promise Prince William made to his mum Princess Diana when she had her royal title taken away
IT was one of the most hotly-argued topics of Prince Charles and Princess Diana's divorce - 'Her Royal Highness' title.
The Queen was reportedly happy for her to keep her title but Prince Charles was not, so Diana became Princess Diana, shedding her HRH.
It meant she had to curtsy to her sons and separated her further from the Royal family.
At the time of his parents' divorce, Prince William was just 14.
Studying at Eton College in Windsor, Berkshire, he made his mum a promise, which has now been revealed.
In his book, A Royal Duty, Diana's close friend and butler, Paul Burrell, revealed William vowed to help Diana reclaim her title.
In his book, Paul revealed how William had said: "Don't worry Mummy, I will give it back to you one day when I am king."
However, Diana - by then Princess of Wales - died three years later in Paris.
So Prince William never got to fulfil his promise.
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