Prince Louis of Cambridge Prince Louis of Cambridge Prince Louis of Cambridge (Louis Arthur Charles; ; born 23 April 2018) is a member of the British royal family. He is the third and youngest child and second son of Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge. He is fifth in the line of succession to the British throne. Kensington Palace announced on 4 September 2017 that the Duke and Duchess of Cambridge were expecting their third child. A son was born at 11:01 BST (10:01 UTC) on 23 April 2018. He was first seen in public seven hours after his birth,
Prince Adolphus, Duke of Cambridge Duke of Clarence (later William IV), in the hope of securing heirs to the throne—Charlotte had been the only legitimate grandchild of George III, despite the fact that the King had twelve surviving children. After several false starts, the Duke of Clarence settled on Princess Adelaide of Saxe-Meiningen. The way was cleared for the Duke of Cambridge to find a bride for himself. The Duke of Cambridge was married first at Kassel, Hesse on 7 May and then at Buckingham Palace on 1 June 1818 to his second cousin Augusta (25 July 1797 – 6 April 1889), the third daughter