César, Duke of Vendôme

Who was César, Duke of Vendôme?

César de Bourbon, Légitimé de France, Duke of Vendôme, was the son of Henry IV of France and his mistress Gabrielle d'Estrées. Sometimes simply known as César de Vendôme. Through his daughter, Élisabeth de Bourbon, César was a great-great-great-grandfather of Louis XV of France, merging thereafter to the French royal line. César de Bourbon is also an ancestor of Juan Carlos I of Spain, of Albert II, King of the Belgians, of Henri, Grand Duke of Luxembourg, and of Vittorio Emanuele, Prince of Naples, a pretender to the Italian throne.