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
Edward the Black Prince with his father on 12 October 1347, took part in the jousts and other festivities of the court, and was invested by the king with the new order of the Garter (1348). The Black Prince shared in the king's expedition to Calais in the last days of 1349, came to the rescue of his father, and when the combat was over and the king and his prisoners sat down to feast, he and the other English knights served the king and his guests at the first course and then sat down to meat at another table. When the king embarked