Long live Prince Louis of Cambridge!
Before the birth of Kate Middleton Prince William even accidentally unveiled the gender of the third child and called possible name: "I will insist that the child named Jack", said William, after a pause, he added: "Or Jackie".
After the prince was born on Monday, St George's Day, named after England's patron saint, some members of the public had anticipated that George would feature in the new prince's name.
Prince William and Duchess Kate have announced the name of their new baby.
William and Kate now have three children: Louis joins Charlotte, 2, and George, 4.
The new arrival is Queen Elizabeth II's sixth great-grandchild and bumps Prince Harry to sixth place in the line of succession. Louis Mountbatten, Earl Mountbatten of Burma, was the uncle of Prince Philip, Duke of Edinburgh, and also the queen's second cousin.More news: Tristan Thompson Breaks His Social Media Silence After Khloe Kardashian Cheating Scandal
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The name does not have a strong British royal pedigree, being more commonly associated with kings of France.
He was assassinated by Irish republicans when his boat was blown up on a fishing trip off the coast of County Sligo in the Republic of Ireland.
'At one stroke, Louis pleases great-grandfather and grandfather, which is a good thing'.
The middle name Charles is a tribute to the duke's father, the Prince of Wales.
Their eldest son George's full name is George Alexander Louis.
Like other royal names, the moniker is steeped in history.