Duke of Aquitaine House of Valois claimed supremacy over Aquitaine. In 1360, both sides signed the Treaty of Bretigny, in which Edward renounced the French crown but remained sovereign Lord of Aquitaine (rather than merely duke). However, when the treaty was broken in 1369, both these English claims and the war resumed. In 1362, King Edward III, as Lord of Aquitaine, made his eldest son Edward, Prince of Wales, Prince of Aquitaine. In 1390, King Richard II, son of Edward the Black Prince appointed his uncle John of Gaunt Duke of Aquitaine. This grant expired upon the Duke's death, and the dukedom reverted
Prince of Tarnovo of a Prince of Tarnovo is also titled Princess of Tarnovo (, "Knyagina Tarnovska"). The last Prince of Tarnovo was Prince Kardam, the eldest son of Tsar Simeon II. People who to have held the title Prince of Tarnovo: Since the monarchy's abolition, these are the people who have held the title Prince of Tarnovo in pretense: Prince of Tarnovo Prince of Tarnovo (, "Knyaz Tarnovski") is the title held by the first-born son of the Bulgarian monarch. This title is held only by the heir to the throne. Tarnovo (Veliko Tarnovo) was an old Bulgarian capital and the strongest