King Charles III takes his place on the throne, Prince Harry andMeghan Markle's children -- 3-year-old Archie and 1-year-old Lilibet — now hold the right to be named Prince and Princess.
According to a 1917 law from King George V -- also known as the George V Convention or 1917 Letters Patent — the children of a Sovereign and the children of a Sovereign's sons are entitled to HRH style titles and the distinction of a Prince or Princess prefix to their name.
However, it will be up to Harry and Meghan — still known as the Duke and Duchess of Sussex — to choose whether their little ones will, in fact, use said titles.
As it stands, their children are now the first-ever Prince and Princess of Sussex.There has been speculation that with Charles becoming the king, that he might amend this long-held law to limit the number of key royals and set firm expectations of what roles a prince and princess are expected to fulfill in the modern monarchy.
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