Philip, duke of Edinburgh | Biography & Facts | Britannica

Philip’s father was Prince Andrew of Greece and Denmark (1882–1944), a younger son of King George I of the Hellenes (originally Prince William of Denmark). His mother was Princess Alice (1885–1969), who was the eldest daughter of Louis Alexander Mountbatten, 1st marquess of Milford Haven, and Princess Victoria of Hesse and the Rhine, granddaughter of Queen Victoria.

https://www.britannica.com/biography/Philip-duke-of-Edinburgh