Edward the Black Prince as their lord, but the murder of Jacob van Artevelde put an end to this project. Both in September and in the following April the prince was called on to furnish troops from his principality and earldom for the impending campaign in France, and as he incurred heavy debts in the king's service his father authorised him to make his will, and provided that in case he fell in the war his executors should have all his revenue for a year. Edward, Prince of Wales sailed with King Edward III on 11 July 1346, and as soon as he landed
Edward the Black Prince the Battle of Nájera. However, after a wait of several months, during which he failed to obtain either the province of Biscay or liquidation of the debt from Don Pedro, he returned to Aquitaine. Prince Edward persuaded the estates of Aquitaine to allow him a hearth tax of ten sous for five years in 1368, thereby alienating the lord of Albret and other nobles. Drawn into open war with Charles V of France in 1369, he took Limoges, where in 1370 he gave orders for an indiscriminate massacre in revenge for the voluntary surrender of that town to the French