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 Theodora of Greece and Denmark (1906–1969) Princess Theodora of Greece and Denmark (1906–1969) Princess Theodora of Greece and Denmark (; 30 May 1906 – 16 October 1969) was the second child and daughter of Prince Andrew of Greece and Denmark and Princess Alice of Battenberg, and the second eldest sister of Prince Philip, Duke of Edinburgh. Theodora was born on 30 May 1906 at Tatoi Palace. She was the sister of Prince Philip, Duke of Edinburgh, formerly Prince Philip of Greece and Denmark, the husband and consort of Elizabeth II. She also had three sisters: Margarita, Princess of Hohenlohe-Langenburg; Cecilie, Hereditary Grand Duchess of Hesse and