Prince William, Duke of Cambridge Prince William, Duke of Cambridge Prince William, Duke of Cambridge, (William Arthur Philip Louis; born 21 June 1982) is a member of the British royal family. He is a grandson of Queen Elizabeth II, and the elder son of Charles, Prince of Wales, and Diana, Princess of Wales. Since birth, he has been second in the line of succession to the British throne after his father. William was educated at four schools in the United Kingdom and studied for a degree at the University of St. Andrews. During a gap year, he spent time in Chile, Belize, and Africa. In
Prince Philip, Duke of Edinburgh on Sino-British relations, but it shaped his own reputation. Philip has held a number of titles throughout his life. Originally holding the title and style of a prince of Greece and Denmark, Philip abandoned these royal titles prior to his marriage, and was thereafter created a British duke, among other noble titles. The Queen formally issued letters patent in 1957 making Philip a British prince. When addressing the Duke of Edinburgh, as with any male member of the royal family except the monarch, the rules of etiquette are to address him the first time as "Your Royal Highness", and thereafter