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,
Margaret Cambridge, Marchioness of Cambridge Margaret Cambridge, Marchioness of Cambridge Margaret Evelyn Cambridge, Marchioness of Cambridge (8 April 1873 – 27 March 1929) was the sixth child and third daughter of the 1st Duke of Westminster and the wife of the 1st Marquess of Cambridge. She was known before her marriage as The Lady Margaret Grosvenor, and after it she was also known as Princess Adolphus of Teck and later The Duchess of Teck. Lady Margaret Grosvenor was born at Eaton Hall in Cheshire. Her father was the 3rd Marquess of Westminster (later 1st Duke of Westminster), the son of the 2nd Marquess of Westminster