Create a free account to navigate family trees, view ancestors, and discover connections.

Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster 1340–1399 – Genealogical Records

Birth Date: 1340

Birth Location: England

Death Date: 1399

Death Location: England

Father: Edward great-grandfather

Mother: Philippa Hainault

Spouse(s): Katherine great-grandmother, Blanche Lancaster, Constance Lancaster

Children(s): John great-grandfather, Henry Uncle, Duke Lancaster, Catherine Lancaster, Joan Westmorland, Philippa Lancaster, Elizabeth Exeter

The story of Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster began in 1340 in England. Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster married Blanche Of Lancaster, Constance Of Castile Duchess Of Lancaster, Katherine Swynford 19Th Great Grandmother, and had children including Catherine Of Lancaster, Duke Of Lancaster, Elizabeth Of Lancaster Duchess Of Exeter, Henry Iv Of England Bolingbroke Lancaster Plantagenet 18Th Great Uncle, Joan Beaufort Countess Of Westmorland, John Beaufort 1St Marquess Of Somerset And 1St Marquess Of Dorset Later Only 1St Earl Of Somerset 18Th Great Grandfather, Philippa Of Lancaster. Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster passed away in 1399 in England.

Find more search results for Sir Lancaster

Reliability Score

This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.

Reliability Score:

Criteria:

A 3 criteria (Strong)
B 2 criteria (Medium)
C 1 criteria (Basic)
N/A 0 criteria (Insufficient)

This tree's reliability score:

Record available
Descendant's record available
Star tree owner

Biography

The story of Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster began in 1340 in England.
Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster married Blanche Of Lancaster, Constance Of Castile Duchess Of Lancaster, Katherine Swynford 19Th Great Grandmother, and had children including Catherine Of Lancaster, Duke Of Lancaster, Elizabeth Of Lancaster Duchess Of Exeter, Henry Iv Of England Bolingbroke Lancaster Plantagenet 18Th Great Uncle, Joan Beaufort Countess Of Westmorland, John Beaufort 1St Marquess Of Somerset And 1St Marquess Of Dorset Later Only 1St Earl Of Somerset 18Th Great Grandfather, Philippa Of Lancaster.
Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster passed away in 1399 in England.

Immediate Family

Parents

Edward great-grandfather

1312–1377

Birth Location: –

Philippa Hainault

1310–1369

Birth Location: –

Spouses(s)

Katherine great-grandmother

1350–1403

Birth Location: –

Blanche Lancaster

1342–1368

Birth Location: –

Constance Lancaster

1354–1394

Birth Location: –

Children(s)

John great-grandfather

1371–1410

Birth Location: –

Henry Uncle

1367–1413

Birth Location: –

Duke Lancaster

1372–1418

Birth Location: –

Catherine Lancaster

1373–1418

Birth Location: –

Joan Westmorland

1379–1440

Birth Location: –

Philippa Lancaster

1360–1415

Birth Location: –

Elizabeth Exeter

1363–1426

Birth Location: –

Sir Lancaster's Ancestors

Self

Sir Lancaster

1340–1399

Birth Place: England

Parents

Edward III King of England 20th great-grandfather

1312–1377

Philippa (of) Hainault

1310–1369

Grandparents

Edward (II of England 21st) great-grandfather

1284–1327

Isabella (of France 21st) great-grandmother

1295–1359

William (I, Count of) Hainaut

1286–1337

Joan (of Valois, Countess of) Hainaut

1294–1342

Great-Grandparents

Edward great-grandfather

1239–1307

Eleanor great-grandmother

1241–1290

Philip France

1268–1315

Joan Navarre

1273–1305

John Holland

1247–1304

Philippa Luxembourg

1252–1311

Charles, great-grandfather

1270–1325

Margaret, Anjou

1272–1299

2nd-Great-Grandparents

Henry Plantagenet

1207–1272

Eleanor England

1223–1291

Philip great-grandfather

1245–1285

Isabella great-grandmother

1247–1271

Henry Navarre

1244–1274

Blanche Artois

1248–1302

John Hainaut

1218–1257

Adelaide Holland

1230–1284

Philip great-grandfather

1245–1285

Isabella great-grandmother

1247–1271

Sir Lancaster's Descendants

Sir (John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of) Lancaster (1340–1399) m. Katherine (Swynford 19th) great-grandmother (1350–1403) m. Blanche (of) Lancaster (1342–1368) m. Constance (of Castile, Duchess of) Lancaster (1354–1394)

1. John (Beaufort 1st Marquess of Somerset and 1st Marquess of Dorset, later only 1st Earl of Somerset 18th) great-grandfather 1371–1410 m. Margaret (Holland, Duchess of Clarence 18th) great-grandmother 1385–1439
1. 1. Joan (Beaufort, Queen of Scotland “Tudor” 17th) great-grandmother 1404–1445 m. James (I King of Scotland Steward House of) Stewart 1394–1437 m. Sir (James) Stewart 1383–1451
  1. 1. James (II of Scotland Stewart "King of) Scotland" 1430–1460 m. Lady (Eleanor Sinclair, Lady of Orkney & Fife, Baroness of Lorn, Balveny & Auchterhouse, 2nd Countess of Balveny, Countess of Atholl &) Buchan 1457–1519 m. Margaret (Ogilvy, Countess of) Buchan 1445–1486 m. Margaret (Douglas, Fair Maid of) Galloway 1430–1474 m. Margaret Murray 1442–
    1. 1. Isabel (Stewart of) Buchan 1478–1557 m. Robert (Maxwell, 5th Lord) Maxwell 1493–1546 m. Alexander (Home, 3rd Lord) Home 1485–1515
    2. 2. Lady (Mary Margaret I Stewart Countess) Castletown 1513–1524 m. Thomas Rait 1495–1516 m. Colin Campbell 1468–1523
    3. 3. Lady (Elizabeth Stewart Countess Of) Lennox 1494–1564
    4. 4. Lady (Elizabeth) Stewart 1494–1564 m. John, (of Darnley Stewart, Earl van) Lennox 1495–1526
    5. 5. Marjory, (Baroness Campbell, Stewart (Campbell) *MARJORY, not Margaret; m. Colin Campbell, 3rd Lord Glenorchy; dt. of John Stewart, Earl, and Countess Eleanor) Sinclair 1485–1524 m. Colin (Campbell, 3rd of) Glenorchy 1480–1523
    6. 6. Lady (Catherine Stewart of) Forbes 1473–1503
    7. 7. Lady (Elizabeth Stewart of) Strowan 1494–1564
    8. 8. Margaret (Stewart Murray) Robertson 1512–1524
    9. 9. Lady (Jean (Janet) Stewart of) Atholl 1477–1522
    10. 10. Isabel Stewart 1502–1544
    11. 11. Lady (Katherine "Kate" (of Murray)) Stewart 1467–1529
    12. 12. Bishop (Andrew Stewart, Bishop of) Caithness 1485–1541
    13. 13. Lady (Elizabeth Anne Stewart, Lady of Atholl &) Gray 1465–1529
    14. 14. Lady (Janet "Jean" Stewart, Lady of Traquhair & Huntly, Baroness of Huntly, 3rd Countess of) Huntly 1461–1510
    15. 15. Lady (Christian Stewart, Lady of) Belveny 1476–1538
    16. 16. Lady (Margaret "Sinclair" Stewart, Lady of Atholl, Countess of) Castletown 1479–1543
    17. 17. Lady (Anne Elizabeth Elspeth) Stewart 1494–1564
    18. 18. Henry Stewart 1489–1542
    19. 19. James (Stewart. 1st Laird of) Tarquair 1480–1513
    20. 20. James (1st Laird of Traquair) Stewart 1480–
    21. 21. James (Stewart of Traquair) Stewart 1451–1513 m. Catherine Rutherford 1471–1505
    22. 22. Sir (John Stewart 2nd Earl of) Atholl 1473–1513 m. Lady (Isabell Agnes Stewart, Countess of Bothwell, Mistress of Scotland 13th) GGM 1472–1557 m. Janet Campbell 1468–1546
    23. 23. Sir (James Stewart 1st of) Traquhair 1480–1513 m. Lady (Catherine) Rutherford 1536–1606
    24. 24. Lady (Elizabeth Stewart, Countess of Argyll 14th) GGM 1465–1529
    25. 25. Jean (of Atholl) Stewart 1477–1538
    26. 26. Marjory Stewart 1490–1524
    27. 27. Henry (Stewart 1st Cousin) X9 1489–
    28. 28. Lady (Margaret Stewart 13th) GGM 1490–1524
    29. 29. Elizabeth (Stewart, Robertson of) Straun 1481–
    30. 30. Elizabeth ((Elspeth) (Stewart) )Innes 1483–1564
    31. 31. Elizabeth ("Bessie" Stewart) (Strachan) 1486–1540
    32. 32. Jean Stewart 1481–1550
    33. 33. Bishop (Andrew) Stewart, 1485–1542
    34. 34. Lady (Christian Stewart, Lady of Balveny) Castle 1476–1538
    35. 35. Margaret (Stewart 1st Cousin) 9X 1479–1524
    36. 36. Marjory Stewart 1478–
  2. 2. Andrew (Stewart (bishop of Moray) 16th) great-granduncle –1501
  3. 3. James (II of) Scotland 1430–1460 m. Mary (of) Guelders 1434–
    1. 1. James (III king of Scotland House of) Stewart 1451–1488 m. Margaret (of) Denmark 1556–1586
    2. 2. Mary (Stewart, Princess of Scotland Countess of) Arran 1486–1522 m. James (Hamilton, 1st Lord) Hamilton 1415–1479
    3. 3. Alexander (Stewart, Duke of) Albany 1454– m. Anne (de La Tour) d'Auvergne 1437–1512
  4. 4. Annabella (of) Scotland 1436–1501 m. George (Gordon, 2nd Earl of) Huntly 1441–1501
    1. 1. William Gordon 1468–1513 m. Janet Ogilvy 1480–1536
2. 2. John (Beaufort, 1st Duke of) Somerset 1404–1444 m. Margaret (Beauchamp of) Bletso 1410–1482
  1. 1. Lady (Margaret Beaufort, Countess of Richmond and) Derby 1441–1509 m. Edmund Tudor 1440–1456
    1. 1. Henry (VII King of England) Tudor 1457–1509 m. Elizabeth (of York Queen Consort) T2 1466–1503
3. 3. Henry (Beaufort, 2nd Earl of) Somerset 1401–1418
4. 4. Thomas (Beaufort, Count of) Perche 1405–1431
5. 5. Margaret (Beaufort, Countess of) Devon 1409–1449
6. 6. Edmund (Beaufort, 2nd Duke of Somerset 17th) great-granduncle 1406–1455 m. Eleanor (Beauchamp, Duchess of Somerset 17th great) aunt 1408–1467
2. Henry (IV of England Bolingbroke, Lancaster (Plantagenet) 18th great) Uncle 1367–1413 m. Mary (de) Bohun 1369–1394 m. Joan (of Navarre, Queen of England 3rd cousin 20x) removed 1368–1437
1. 1. Henry (V of England 1st cousin 18th) removed 1386–1422 m. Catherine (of Valois Queen Consort of) England 1401–1437
  1. 1. Henry (VI of England and) France 1421–1471 m. Margaret (of) Anjou 1430–1482
    1. 1. Edward (of Westminster, Prince of) Wales 1453–1472 m. Anne Neville 1456–1485
2. 2. Philippa (of) England 1394–1430 m. Eric (of) Pomerania 1382–1439
3. Duke (of) Lancaster 1372–1418
4. Catherine (of) Lancaster 1373–1418 m. Henry (III of) Castile 1379–1406
1. 1. John (II of) Castile 1405–1454 m. Isabella (of Portugal, Queen of) Castile 1428–1496
  1. 1. Isabella (I of) Castile 1451–1504 m. Ferdinand (II of) Aragon 1452–1516
    1. 1. Catherine (of) Aragon 1507–1536 m. Henry (VIII King of England) Tudor 1491–1547
5. Joan (Beaufort, Countess of) Westmorland 1379–1440 m. Ralph (Neville, 1st Earl of) Westmorland 1364–1425
1. 1. George (Neville, 1st Baron) Latimer 1406–1469 m. Elizabeth (de) Beauchamp 1418–1480
  1. 1. Sir (Henry) Neville –1469
6. Philippa (of) Lancaster 1360–1415 m. John (I of) Portugal 1357–1433
1. 1. Isabella (of Portugal, Duchess of) Burgundy 1397–1471 m. Philip (the) Good 1396–1467
  1. 1. Charles (I the) Bold 1433–1477 m. Isabella (of) Bourbon 1434–1465
    1. 1. Duchess (Mary of) Burgundy 1457–1482 m. Maximilian (I, Holy Roman) Emperor 1459–1519
7. Elizabeth (of Lancaster, Duchess of) Exeter 1363–1426 m. John (Holland, 1st Duke of) Exeter 1352–1400 m. John (Cornwall, 1st Baron) Fanhope 1364–1443

Sir Lancaster's Timeline

2 Records

1340

Birth of Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster in England

England

1399

Age 59

Death of Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster in England

England

1340

Birth of Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster in England

England

1399

Age 59

Death of Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster in England

England

Sources

Genealogy Event 1
Event Type: Birth
Event Date: 1340
Event Place: England

Genealogy Event 2
Event Type: Death
Event Date: 1399
Event Place: England

Find more search results for Sir Lancaster

Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster 1340–1399 – Genealogical Records

Reliability Score

This tree's reliability score:

Biography

Immediate Family

Parents

Spouses(s)

Children(s)

Sir Lancaster's Ancestors

Sir Lancaster's Descendants

Sir Lancaster's Timeline

Sources

About YourRoots

Explore your family tree geographically

Discover ancestors beyond "end-of-line" automatically

Find more DNA matches across all DNA tests

Ancestry DNA analysis that goes deeper than others

Sign up to explore more

Sir John of Gaunt, also known as John de Plantagenet\ John De Beaufort, 1st Duke of Lancaster 1340–1399 – Genealogical Records

Reliability Score

This tree's reliability score:

Biography

Immediate Family

Parents

Spouses(s)

Children(s)

Sir Lancaster's Ancestors

Sir Lancaster's Descendants

Sir Lancaster's Timeline

Sources

About YourRoots

Explore your family tree geographically

Discover ancestors beyond "end-of-line" automatically

Find more DNA matches across all DNA tests

Ancestry DNA analysis that goes deeper than others

Coming Soon