Prince William, Duke of Cambridge, (William Arthur Philip Louis; born June 21, 1982) is the oldest son of Charles, Prince of Wales and the late Diana, Princess of Wales. He grandson of Queen Elizabeth, II, and Prince Philip, Duke of Edinburgh. He is second in line to the British throne. He married Catherine Middleton, now Catherine, Duchess of Cambridge, on April 29, 2011. Before his wedding, Prince William was made Duke of Cambridge, Earl of Strathearn and Baron Carrickfergus.