Sir John de BEAUFORT, 1st Earl of SOMERSET

Sosa :451,328

Born between 1371 and January 1, 1373 Julian - Beaufort Castle, ENGLAND
Deceased March 16, 1410 (1409/0) Julian (Sunday) - Hospital of St Katherine-by-the-Tower, the City, London, ENGLAND

Parents

John of GAUNT, Duke of LANCASTER, Duc d'AQUITAINE, born in March, 1340 Julian - Abbaye de Saint-Bavon, Gand, Oost Vlaanderen, PAYS-BAS, deceased February 3, 1399 (1398/9) Julian (Monday) - Old St Paul'S Cathedral, London, ENGLAND aged 58 years old
Married January 13, 1396 (1395/6) Julian (Thursday), Lincoln,,,Lincolnshire,ENGLAND, to
Katherine de ROËT SWYNFORD, born in 1350 Julian, deceased May 10, 1403 Julian (Thursday) aged 53 years old

Spouses, children, grandchildren and great-grandchildren

Married before September 28, 1397 Julian to Lady Margaret HOLLAND, Duchesse CLARENCE, born in 1385 Julian, deceased December 30, 1439 Julian (Wednesday) aged 54 years old (Parents : Thomas de HOLLAND, 2nd Earl of KENT 1354-1397 & Alice FITZALAN ca 1350-1416)with
- Sir John BEAUFORT, 1st Duke of SOMERSET 1404-1444 Married to Margaret BEAUCHAMP with
  - Margaret BEAUFORT, Countess of RICHMOND 1443-1509 Married to Sir Edmund TUDOR, 1st Earl of RICHMOND with :
    Henry VII TUDOR, King of ENGLAND 1457-1509
- Sir Edmund BEAUFORT, 2nd Duke of SOMERSET ca 1406-1455 Married between 1431 and January 1, 1435 Julian to Lady Eleanor BEAUCHAMP, Duchess SOMERSET 1407..1408-1466..1468 with
  - Henry BEAUFORT, 3rd Duke of SOMERSET 1436-1464 Married to Joan HILL with :
    Sir Charles SOMERSET, 1st Earl of WORCESTER ca 1460-1526
  - Margaret BEAUFORT /1439-1474 Married in 1455 Julian to Humphrey STAFFORD, Earl of STAFFORD /1440-ca 1459 with :
    Sir Henry STAFFORD, 2nd Duke of BUCKINGHAM 1455-1483

Siblings

Sir John de BEAUFORT, 1st Earl of SOMERSET 1371..1373-1410 Married before September 28, 1397 Julian to Lady Margaret HOLLAND, Duchesse CLARENCE 1385-1440
Henry de BEAUFORT ca 1375-1447
Lady Joan de BEAUFORT, Countess of WESTMORLAND ca 1375-1440 Married about 1382 Julian to Sir Ralph de NEVILLE, 1st Earl of WESTMORLAND ca 1364-1425

Half-siblings

On the side of

John of GAUNT, Duke of LANCASTER, Duc d'AQUITAINE, born in March, 1340 Julian - Abbaye de Saint-Bavon, Gand, Oost Vlaanderen, PAYS-BAS, deceased February 3, 1399 (1398/9) Julian (Monday) - Old St Paul'S Cathedral, London, ENGLAND aged 58 years old

with Blanche PLANTAGENET of LANCASTER, Countess of DERBY
- Philippa of LANCASTER, Queen of PORTUGAL 1359-1415 Married in 1387 Julian to Joao I Roi de PORTUGAL et des ALGARVES 1357-1433
- Elizabeth Duchess of EXETER 1363- Married toJohn Earl of HUNTINGDON 1357-1400
- Henry IV PLANTAGENET, King of ENGLAND 1366-1413 Married toLady Mary de BOHUN

with Constanza de CASTILLA, Reina de CASTILLA, born in 1354 Julian, deceased in 1394 Julian aged 40 years old
- Katherine PLANTAGENET Married toEnrique III Rey de CASTILLA y LEON

Notes

Individual Note

Sir John de Beaufort, 1st Earl of Somerset was born illegitimately between 1371 and 1373 in Beaufort Castle, England. He was the son of John of Gaunt, Duke of Lancaster and Katherine Roët. He married Lady Margaret de Holand, daughter of Thomas de Holand, 2nd Earl of Kent and Alice FitzAlan, before 28 September 1397. He died on 16 March 1409/10 in Hospital of St. Katherine-by-the-Tower, The City, London, England. He was buried in Canterbury Cathedral, Canterbury, Kent, England.
Sir John de Beaufort, 1st Earl of Somerset was invested as a Knight, Order of the Garter (K.G.) circa 1397. In February 1397 his illegitmate birth was legitimated by Parliament and Papal decree. He was created 1st Earl of Somerset (England) on 10 February 1397. He was created 1st Marquess of Somerset (England) on 29 September 1397. He was created 1st Marquess of Dorset (England) on 29 September 1397. He was deposed as Marquess of Dorset and Somerset on 3 November 1399. He held the office of Constable of England in 1404. He has an extensive biographical entry in the Dictionary of National Biography.

Family :
Lady Margaret de Holand b. between 1381 and 1385, d. 31 December 1439
Children :
1. Lady Margaret Beaufort b. c 1400, d. Nov 1449
2. Henry Beaufort, 2nd Earl of Somerset b. 26 Nov 1401, d. 25 Nov 1418
3. Sir John Beaufort, 1st Duke of Somerset b. b 25 Mar 1404, d. 27 May 1444
4. Thomas Beaufort, Earl of Perche b. 1405, d. 1432
5. Sir Edmund Beaufort, 1st Duke of Somerset b. c 1406, d. 22 May 1455
6. Lady Joan Beaufort b. b 1407, d. 15 Jul 1445