As Prince Harry and Meghan Markle prepare to become parents for the first time there's no doubt the couple are brushing up on all the royal protocol they must follow after the birth.
But there's good news for the Duke and Duchess of Sussex — the expectant parents will be much less restricted about which names they can choose for their child.
READ MORE: • The baby names that will be common in 10 years
While there is a unspoken rule that those in line for the throne must name offspring after past kings or other royal ancestors, those not in direct succession have much more freedom.
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A perfect example is Sarah Ferguson and Prince Andrew, who did the royal equivalent of naming their daughters Blanket and Apple by choosing the names Beatrice and Eugenie.
"The further down the line of succession, the more likely you are to have a more unique or untraditional name," Carolyn Harris, author of Raising Royalty: 1,000 Years of Royal Parenting, told Vogue Australia.
"We see, from the diversity of names among the Queen's descendants, that the Queen does seem willing to allow the descendants to choose their own names."
However there is still one tradition Meghan and Harry are expected to follow — waiting several days to publicly release their baby's name so they can tell Queen Elizabeth and the rest of the royal family first.
According to royal commentator Victoria Arbiter the reasons for this is so they can celebrate their new arrival in private and check the name is suitable.