Queen 'changed Prince Louis' name' after overturning decades-old historic rule
ok.co.ukThe Queen made a big change to Prince Louis' official name by changing an old rule set by King George V. William and Kate's third child, Prince Louis Arthur Charles, was born on April 23, 2018.
His name is a popular one in the Royal Family, with both Prince William and Prince George having it as a middle name to honour Prince Charles' mentor, Lord Louis Mountbatten.
Just like his older siblings, Prince George and Princess Charlotte, Louis doesn't have a surname and is formally known as His Royal Highness Prince Louis of Cambridge.
But, there was a time when Louis' HRH title was uncertain due to a rule put in place by King George V. Back in 1917, King George V decided that only the sovereign's children and any grandchildren born through the male line would automatically become a Prince or Princess.
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