Prince Philip, Duke of Edinburgh Athens for a month in mid-1939. At the behest of the Greek king, George II, he returned to Britain in September to resume training for the Royal Navy. He graduated from Dartmouth the next year as the best cadet in his course. During the Second World War, he continued to serve in the British forces, while two of his brothers-in-law, Prince Christoph of Hesse and Berthold, Margrave of Baden, fought on the opposing German side. Philip was appointed as a midshipman in January 1940. He spent four months on the battleship HMS "Ramillies", protecting convoys of the Australian Expeditionary Force
Prince William Frederick, Duke of Gloucester and Edinburgh cross gules"), the whole differenced by a "label argent" (or "azure"). Prince William Frederick, Duke of Gloucester and Edinburgh Prince William, Duke of Gloucester and Edinburgh, (William Frederick; 15 January 1776 – 30 November 1834) was a great-grandson of King George II and nephew and son-in-law of King George III of the United Kingdom. Prince William was born on 15 January 1776 at Palazzo Teodoli in via del Corso, Rome. His father was Prince William, Duke of Gloucester and Edinburgh, the third son of the Prince of Wales. His mother was Maria, Duchess of Gloucester and Edinburgh, the illegitimate daughter