Prince Philip, Duke of Edinburgh a British prince in 1957. Prince Philip and Queen Elizabeth II have four children: Prince Charles, Princess Anne, Prince Andrew, and Prince Edward. Through a British Order in Council issued in 1960, descendants of Philip and Elizabeth not bearing royal styles and titles can use the surname Mountbatten-Windsor, which has also been used by some members of the royal family who do hold titles, such as Prince Andrew, Princess Anne and Prince Edward. A keen sports enthusiast, Philip helped develop the equestrian event of carriage driving. He is a patron, president or member of over 780 organisations and serves as
Princess Mary, Duchess of Gloucester and Edinburgh and she spent most of her time with her parents and sisters. King George and Queen Charlotte were keen to shelter their children, particularly the girls. Mary, however, married on 22 July 1816, to her first cousin, Prince William Frederick, Duke of Gloucester and Edinburgh, the son of George III's brother, Prince William Henry, Duke of Gloucester and Edinburgh. On their wedding day, Mary's brother, The Prince Regent, raised the bridegroom's style from "Highness" to "Royal Highness", an attribute to which Mary's rank as daughter of the King already entitled her. William Henry had initially sought to marry Mary's niece