John de Southeray 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 him in 1380, claiming she had not consented to the marriage. During the abortive Castilian campaign led by his half-brother the Earl of Cambridge in 1381, John led a contingent of English
Edmund Mortimer, 3rd Earl of March steward, Peter de la Mare, (1294-1387 of Little Hereford, Hereford), who firmly withstood John of Gaunt in stating the grievances of the Commons, in supporting the impeachment of several high court officials, and in procuring the banishment of the king's mistress, Alice Perrers. March was a member of the administrative council appointed by the same parliament after the death of Edward, the Black Prince to attend the king and advise him in all public affairs. Following the end of the Good Parliament its acts were reversed by John of Gaunt, March's steward was jailed, and March himself was ordered to