While the likes of Prince George, Princess Charlotte and Prince Louis can expect to one day hold senior titles, such as the Prince of Wales, the Princess Royal and perhaps the Duke of Cambridge or the Duke of York, many of the late Queen's other great-grandchildren will never gain an official style.
This was the case for the Duke and Duchess of Sussex's young children until the couple made the announcement in March 2023 that they did not wish to deny Archie and Lilibet of their "birth right" - and moved to change the way the youngsters were styled.
From that point on Archie became Prince Archie of Sussex - but there is another title he would have been allowed to use before Prince Harry and Meghan turned it down.
At the time of their wedding, the late Queen made Prince Harry and Meghan the Duke and Duchess of Sussex, the Earl and Countess of Dumbarton and the Baron and Baroness Kilkeel.
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