Poitiers' feudal lord, the Duke of Normandy (later King John II of France), had ordered him to counterattack the English here so that Normandy was free to advance from La Réole to the North.
La Réole |
Derby used this opportunity to seize more towns in the region including Montségur and conduct successful sieges against La Réole and Aiguillon, placing the region firmly in English hands.