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 King Edward, all while their relationship was a secret from his wife, Queen Philippa and the public. In 1364, aged 16, Perrers gave birth to a son later named Sir John de Southeray (c. 1364-1383). John later married Maud Percy, daughter of Henry Percy, 3rd Baron Percy, and his first wife Mary of Lancaster. A year later in 1365, Perrers gave birth to Jane (c. 1365-unknown). Jane married Richard Northland. Aged 18, Alice gave birth to her third child, Joan (c. 1366-bef January 1431). Joan married Robert Skerne, a lawyer who served as a tax official and a Member of