When Prince Harry ties the knot with Meghan Markle in just a few months’ time, Queen Elizabeth will bestow shiny new royal titles upon the newlyweds (just as she did for Prince William and Kate Middleton, who became the Duke and Duchess of Cambridge after they married in 2011). So far, the smart guess is that Harry and Meghan will become the Duke and Duchess of Sussex, although that’s yet to be confirmed by Buckingham Palace.

That most likely won’t be the only new honors that the couple receives to mark the happy occasion, though, as there’s a royal precedent for the Queen to grant separate Scottish titles. William and Kate, for example, are the Earl and Countess of Strathearn, while Prince Andrew is Earl of Inverness. As well as being Prince of Wales, Harry and William’s father, Prince Charles, is titled the Duke of Rothesay.

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Picking a peerage depends on a number of factors, including a consideration of which dukedoms and earldoms are currently available, and of the respective ranks of other members of the royal family. The Queen usually waits until the day before a wedding to announce the couple’s new titles, so we’ll be kept guessing a little while longer.

“The Scottish title Prince Harry receives is likely to be an earldom but there are very few clues here,” Wendy Bosberry-Scott, the co-editor of Debrett’s Peerage and Baronetage, told The Press and Journal (via Royal Central). “One potential candidate is Ross, but this was last held by Charles I — who was executed in 1649 — so it may well be considered unlucky.” The Ross title was also used by Lord Darnley, the husband of Mary, Queen of Scots, who died by strangulation in 1567.

“Dumbarton is another possibility but, at this point, it is merely speculation and many factors will have to be considered before a suitable title is chosen,” she added, referring to a currently extinct title.

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This post was written by Katie Rosseinsky It originally appeared on our sister site, Grazia Daily.