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 of Prince Frederick of Hesse. From 1816 to 1837, the Duke of Cambridge served as viceroy of the Kingdom of Hanover on behalf of his elder brothers, George IV and later William IV. When his niece succeeded to the British throne on 20 June 1837 as Queen Victoria, the 122-year union of the crowns the United Kingdom and Hanover ended, due to Hanover being under Salic Law. The Duke of Cumberland became King of Hanover and the Duke of Cambridge returned to Britain. The Duke of Cambridge died on 8 July 1850 at Cambridge House, Piccadilly, London, and was buried