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,
James Stuart, Duke of Cambridge have been the first Protestant in the line of succession to the crown, ahead of his sisters Mary and Anne, when the "Glorious Revolution" of 1688 deposed his father and insisted on a Protestant succession. Cambridge was born at 1:22 a.m. on , at St. James's Palace, the second but first surviving son and child of the Duke of York (later King James II of England) and his wife, Anne Hyde. He was a grandson of Charles I of England and great-grandson of Henry IV of France. His baptism took place at St. James's Palace on , and was performed