Battle of Pontvallain Edward III's mistress Alice Perrers. Knolles' campaign has been estimated to have cost Edward III somewhere in the region of £66,667 (), based on his known requests for loans. But the chevauchée that preceded the battle yielded, it has been said, "plunder but little military benefit," while Maurice Keen noted that even though Knolles had reached the gates of Paris, "he had little to show for it when he reached Brittany." and illustrated how much the Hundred Years' War had changed in character by now. According to Christopher Allmand, "the days of Crécy and Poitiers were over." Pontvallain "destroyed the
Alice Perrers had no children. Though Perrers was given many gifts and land grants from Edward, her financial success was largely earned. Some contemporaries claimed that she had seduced a senile king to gain property and goods, but most of her acquisitions were owed to her intelligence, business acumen, and use of contacts, and she became a wealthy landowner. So successful was she that at the height of her power she controlled 56 manors, castles and town houses stretching over 25 counties of England from the north to the home counties. Only 15 of these were gifts from Edward. Among other properties,