Kate Middleton could receive this title after the Queen's death

Kate Middleton is set to inherit a special title that was once held by the beloved Princess Diana once the heir apparent, Prince Charles, becomes the King.

According to Express UK, once Charles becomes the King, his oldest child would automatically inherit his current title, 'Prince of Wales.'

In that case, William's wife will also be entitled to take on the female version of that title. She will then be officially titled as Her Royal Highness Catherine, Princess of Wales.

The source also informed that Middleton would also be receiving the title as the female version of her husband's title, but neither she nor Duchess of Sussex Meghan Markle can be princesses in their own right.

Currently, the title should technically belong to the Duchess of Cornwall, Camilla. However, she has decided not to use that title out of respect for Diana, the earlier holder of that title.

It has not been confirmed yet if Middleton would also decide against using the title out of the respect for Princess Diana.

Prince William is currently second-in-line for the British throne after Charles. So eventually he would take on the role of the King of England someday.

In such a scenario, Middleton's title would change yet again. This time, the current Duchess of Cambridge will be styled, Catherine, Queen Consort.

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William, however, already looks all set on his way to become a great king. Earlier this June, he made history by announcing the first official royal visit to Israel.

The Duke of Cambridge visited the country as well as Jordan and other occupied Palestinian territories during a five-day tour of the Middle East.

In the first-ever visit by a British Royal family member, William also planned to meet both Israeli Prime Minister Benjamin Netanyahu and Palestinian Authority President Mahmoud Abbas.