The new royal baby, Prince Louis Arthur Charles now officially has a birth certificate.
The third child of Prince William and Kate Middleton arrived on April 23.
His birth certificate was just released over a week after his arrival. The certificate shows his full name and title - His Royal Highness Prince Louis Arthur Charles of Cambridge and like his older two siblings he does not have a last name.
His parents are listed on the document with their offical titles - His Royal Highness Prince William Arthur Philip Louis Duke of Cambridge and Catherine Elizabeth Her Royal Highness the Duchess of Cambridge.