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
Prince Friedrich of Hesse and by Rhine alone "like Frittie." Two of Friedrich's sisters, Irene and Alix, also had haemophiliac sons. Prince Friedrich of Hesse and by Rhine Prince Friedrich of Hesse and by Rhine (Friedrich Wilhelm August Victor Leopold Ludwig; 7 October 1870 – 29 May 1873) was the haemophiliac second son of Louis IV, Grand Duke of Hesse, and Princess Alice of the United Kingdom, one of the daughters of Queen Victoria. He was also a maternal great-uncle of Prince Philip, Duke of Edinburgh through his eldest sister Princess Victoria of Hesse and by Rhine. Friedrich, called "Frittie" in the family, was a cheerful and