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 Honours Overseas Honours The Duke's arms were the Royal Arms of the House of Hanover, with a three-point label of difference. The first and third points containing two hearts, and the centre point bearing a red cross. His arms were adopted by his youngest daughter, Princess Mary Adelaide, and her heirs included them in their arms quartered with the arms of the Duke of Teck. The Duke and Duchess of Cambridge had three children: Prince Adolphus, Duke of Cambridge Prince Adolphus, Duke of Cambridge, (Adolphus Frederick; 24 February 1774 – 8 July 1850) was the tenth child and seventh son