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 burnt, and that 3,000 persons of all ranks and ages were massacred. However modern scholarship, including the historian Richard Barber writing in 2008 in the "Oxford Dictionary of National Biography", and drawing on a wider range of evidence, places casualties much lower than Froissart did—around 300 garrison soldiers and civilians in total. The prince returned to Cognac; his sickness increased, and he was forced to give up all hope of being able to direct any further operations and to proceed first to Angoulème and then to Bordeaux. The death of his eldest son Edward, which happened at this time, grieved