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 Thomas Holland: Edward had several natural sons before his marriage. With Edith de Willesford (died after 1385): With unknown mothers: Edward is often referred to as the "Black Prince". The first known source to use the sobriquet "Black Prince" was the antiquary John Leland in the 1530s or early 1540s (about 165 years after the death of the Black Prince). Leland mentions the sobriquet in two manuscript notes in the 1530s or early 1540s, with the implication that it was by that date in relatively widespread use. In one place, Leland refers in Latin to ""Edwardi Principis cog: Nigri"" (i.e.,