Prince Jean, Duke of Guise king of France as "Jean III". The title was disputed by members of the Spanish Anjou branch of the family, descended from Louis XIV of France. He died in Larache, Morocco, in 1940. He was succeeded as claimant to the French throne by his only son, Henri d' Orléans, Count of Paris. In 1899, he married his first cousin, Isabelle d'Orléans (1878–1961). She was the younger sister of Philip VIII, and the daughter of Philip VII and Marie Isabelle d'Orléans. They had four children: Prince Jean, Duke of Guise Prince Jean of Orléans, Duke of Guise (Jean Pierre Clément Marie;
Prince William Frederick, Duke of Gloucester and Edinburgh 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 of Edward Walpole and granddaughter of Robert Walpole. As a great-grandson