John de Southeray soldiers. After his troops went unpaid, John led them in a mutiny; he may have been only a figurehead for the mutineers, though, as he (unlike the other conspirators) went unpunished afterwards. John de Southeray John de Southeray (1364 - 1383) was an illegitimate son of King Edward III of England by his mistress Alice Perrers. He was the oldest of Perrers' three acknowledged illegitimate children by her royal lover. He was knighted in April 1377, alongside the future King Richard II. That same year, he was married to a daughter of Henry de Percy, 3rd Baron Percy; she divorced
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,