Four days after the Duke and Duchess of Cambridge welcomed the new royal baby, Kensington Palace announced that the baby, the couple's third child, will be known as 'His Royal Highness Prince Louis of Cambridge'.
The official handle of Kensington Palace broke the news on Twitter and wrote, "The Duke and Duchess of Cambridge are delighted to announce that they have named their son Louis Arthur Charles. The baby will be known as His Royal Highness Prince Louis of Cambridge."
According to a US Today report, Arthur, which had been the favourite name among British bettors, was the middle name of great-granny Queen Elizabeth II's father, King George VI. It was also carried by King Arthur of Britain's mythic past.?
The Duke and Duchess of Cambridge, Prince William and Kate Middleton welcomed their third baby son into the world on April 23, 11:01 BST. The couple already has two children - a son, Prince George, aged 6, and a daughter, Princess Charlotte, aged 2.
The new prince is the Queen's sixth great-grandchild. Kate gave birth to the royal baby in the Lindo Wing at St Mary's Hospital in London with her husband Prince William by her side.