When Meghan Markle and Prince Harry's second child is born later this year, he or she won't have a HRH title. This means they will have the surname Mountbatten-Windsor, which is used by all members of the royal family who don't have an official title.
The name has been used for decades now, and is the same one that Meghan and Harry's first son, Archie, uses. Having a normal surname rather than a HRH will allow the Sussex children to have a much more 'normal' life, which will be especially useful when it's time for them to go out to work.
However the name caused a huge row when it was first introduced back in 1973. Before marrying the Queen Philip was Prince Philip of Greece and Denmark of the House of
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