 John de Beaufort, Duke of Somerset, son of John "John Beaufort , Earl of Somerset" de Beaufort, Earl of Somerset and Margaret de Holand.Born Mar 25, 1404 at Wimborne, Co Dorset, England, died May 27, 1444, 40 years Knight of the Garter. Married 1439 (4 or 5 years married) to:  Margaret de Beauchamp, daughter of Sir John "John De Beauchamp" de Beauchamp and Margaret Holand.Born ± 1410 at Bletsoe, Bedford, England, died 1482, approximately 72 years, 1st married/ related to: Sir Oliver St. John, 2nd married/ related to: Sir Lionel de Welles, 6th Baron of Welles, 3rd marriage to: John de Beaufort, Duke of Somerset Child: 1. Margaret Beaufort, Countess of RichmondBorn Apr 1441 at Bletso, Bedfordshire, England, died Jul 5, 1509 at Westminster Palace, London, England, 68 years | |||