| John of Gaunt, Duke of Lancaster Born: 24 JUN 1340 Ghent, Oost-Vlaanderen, Belgium Died: 3 FEB 1399 Leicester Castle, Leicestershire, England | |||||
| John de Beaufort, Earl of Somerset Born: 1373 Beaufort Castle, Anjou, Rhône-Alpes, France Died: 21 APR 1410 Hospital of St. Katherine-by-the-Tower, The City, London, England | |||||
| Katheryn de Roët Swynford Born: 1350 Hainault, Picardie, France Died: 10 MAY 1403 Lincoln, Lincolnshire, England | |||||
| Henry Beaufort, Earl of Somerset Born: 1401 Died: 1418 | |||||
| Margaret Holland Born: 1381 Died: 31 DEC 1439 | |||||