YourRoots by Genomelink
banner

Sign up to explore more

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

John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon 1340–1399 – Genealogical Records

Birth Date: 6 Mar 1340

Birth Location: Ghent, Oost-Vlaanderen, Belgium

Death Date: 3 Feb 1399

Death Location: Leicester, Leicestershire, England

Father: Edward England

Mother: Philippa Hainault

Spouse(s): Constance Lancaster, Blanche Plantagenet

Children(s): Catharine Lancaster, Philippa Lancaster

In 1340, John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon entered the world in Ghent, Oost-Vlaanderen, Belgium, born to Edward Iii Plantagenet Of England And Philippa Of Hainault. John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon married Blanche Of Lancaster Plantagenet, Constance Of Castile Duchess Of Lancaster, and had children including Catharine Of Lancaster, Philippa Of Lancaster. John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon passed away in 1399 in Leicester, Leicestershire, England.

Find more search results for John Leon
JL

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:
B
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

  • In 1340, John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon entered the world in Ghent, Oost-Vlaanderen, Belgium, born to Edward Iii Plantagenet Of England And Philippa Of Hainault.
  • John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon married Blanche Of Lancaster Plantagenet, Constance Of Castile Duchess Of Lancaster, and had children including Catharine Of Lancaster, Philippa Of Lancaster.
  • John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon passed away in 1399 in Leicester, Leicestershire, England.

Immediate Family

Parents

Spouses(s)

Children(s)

John Leon's Ancestors

Self
John Leon
1340–1399
Birth Place: Ghent, Oost-Vlaanderen, Belgium
Parents
Edward III Plantagenet of England
1320–1377
Windsor, Castle, Berkshire, England
Philippa (of) Hainault
1313–1369
Valenciennes, Nord, Nord-Pas-de-Calais, France
Grandparents
Edward (II of) England
1284–1342
Caernarfon Castle, Gwynedd, Wales
Isabella (of) France
1295–1358
Paris, France
William (I D’Avenses, Count of) Hainault
1286–1337
Joan (of Valois, Countess of) Hainaut
1294–1342
Longpont, France
Great-Grandparents
Edward England
1239–1307
Eleanora Castilla
1241–1290
Philippe France
1268–1314
Joana Navarra
1273–1305
Prince Valois
1270–1325
Margaret, Anjou
1272–1299
2nd-Great-Grandparents
King England
1207–1272
Eleanora Provence
1223–1291
Fernando Castilla
1199–1252
Joan Ponthieu
1220–1279
Philippe France
1245–1285
Isabelle Aragon
1247–1271
King France
1245–1285
Isabella Francia
1248–1271
Carlo D’Naples
1254–1309
Mary Naples
1257–1323

John Leon's Descendants

1.
JL
John (Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and) Leon (6 Mar 1340–3 Feb 1399) m. Constance (of Castile, Duchess of) Lancaster (1354–24 Mar 1394) m. Blanche (of Lancaster) Plantagenet (25 Mar 1342–12 Sep 1368)
  1. 1. Catharine (Of) Lancaster 1373–1418 m. Rey (Enrique III De) Castilla 1379–1406
    1. 1. Maria (De Castila (De) Trastamara) 1401–1458 m. Alphonse D'Aragon 1394–1458
      1. 1. Diego (Fernandez de Zurita y) Tolosantos 1405–1433 m. Mencia (Suárez de Moscoso y) Figueroa 1410–
        1. 1. Catalina (de Zurita y Suarez de Moscoso) III 1430– m. Pedro (Fernandez Zurita, Gran Maestre de Santiago (Cabeza de) Vaca) 1420–1498
    2. 2. Juan (II de) Castilla 1405–1454 m. María (de) Aragón 1403–1445 m. Isabel (de) Portugal 1428–1496
      1. 1. Leonor (van) Castilië 1423–1425
      2. 2. Henry (IV the Impotent of Castile y Leon) Iv 1425–1474 m. Eleanor (De) Navarre 1425–1479
      3. 3. Catalina (van) Castilië 1422–1424
      4. 4. María (De) Castilla 1428–1429
      5. 5. La (Reina Isabel I De) Castilla 1451–1504 m. Ferdinand (II 'The Catholic', King of Aragon, Castile and León, Majorca, Naples, Sicily and) Valencia 1452–1506
        1. 1. Catalina (Sanchez Fernandez de) Serrano 1485–1536 m. Pedro 1470–1543 m. Henry (VIII Tudor KING OF ENGLAND King of) England 1491–1547
        2. 2. Juan (de) Aragón 1478–1497 m. Margaretha (Margaret of) Austria 1480–1530
        3. 3. Juana (Maria, Infanta) (Princess) 1470–1498 m. Manõel I 1469–1521 m. Afonso, (Prince of) Portugal 1475–1491
        4. 4. Maria (de) Aragon 1482–1517 m. Manõel I 1469–1521
        5. 5. Joanna Trastamara 1479–1555 m. Filips (de van) Habsburg 1478–1506
      6. 6. Alfonso (de) Castilla 1453–1468
  2. 2. Philippa (of) Lancaster 1360–1415 m. John I 1357–1433
    1. 1. John (\ João \ Joam Goncalves Lopes Constable and Infante\ Prince of) Portugal 1400–1442 m. Isabel (Augusta de) Jesus 1402–1465
      1. 1. Isabel (de) Portugal 1428–1496 m. Juan (II de) Castilla 1405–1454
      2. 2. Beatriz (de) Aveiro 1430–1506 m. Fernando (de) Portugal 1433–1470
        1. 1. Alfonso Prince 1468–
        2. 2. Izabel Princess 1459–1521
        3. 3. Catarina Princess 1465–
        4. 4. Jodao Prince 1456–1483
        5. 5. Simdao Prince 1467–
        6. 6. Manuel (I) Avis 1469–
        7. 7. Diogo (Duke) Portugal 1456–1484
        8. 8. Diniz (Prince) Portugal 1464–
        9. 9. Duarte Prince 1462–
        10. 10. Manõel I 1469–1521 m. Juana (Maria, Infanta) (Princess) 1470–1498 m. Maria (de) Aragon 1482–1517 m. Eleanor (of) Austria 1498–1558
        11. 11. Eleonora (van) Viseu 1458–1525 m. João (II Of) Portugal 1455–1495
        12. 12. Johan (van) Viseu 1448–1472
        13. 13. Diogo (van) Viseu 1450–1484
        14. 14. Isabella (Of) Braganza 1459–1521
    2. 2. Eduard (de) Portugal 1391–1438 m. Eléonore ((Eleanor) Trastamara, Queen) d'Aragon 1402–1445
      1. 1. Fernando (de) Portugal 1433–1470 m. Beatriz (de) Aveiro 1430–1506
      2. 2. Leonor (de) Portugal 1434–1467 m. Friedrich III 1415–1493
        1. 1. Helene (of) Habsburg 1460–1462
        2. 2. Maximilian (I of) Habsburg 1459–1519 m. Mary (of) Burgundy 1457–1482
        3. 3. Christoph (of) Habsburg 1455–1456
        4. 4. Johannes (of) Habsburg 1466–1467
        5. 5. Kunegonde (van) Habsburg 1465–1520 m. Albrecht (IV von) Bayern-München 1447–1508
        6. 6. Johannes (of) Habsburg 1466–1467
        7. 7. Christoph (of) Habsburg 1455–1456
        8. 8. Helene (of) Habsburg 1460–1462
      3. 3. Afonso (V of) Portugal 1432–1481
      4. 4. Humphrey (VIII (Earl of Hereford & Essex) De Bohun Earl of Hereford and) Essex 1276–1321 m. Eliabeth (Princess of) England 1282–1316
        1. 1. William (De Bohun Earl of) Northampton –1360
        2. 2. Agnes (de) Bohun 1304–1331
        3. 3. Eleanor (de) Bohun 1304–1363
        4. 4. Margaret (de) Bohun 1311–1391

John Leon's Timeline

6 Records

1340
24 Jun 1340
Birth of John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon in Ghent, Oost-Vlaanderen, Belgium
Ghent, Oost-Vlaanderen, Belgium
1340
6 Mar 1340
Birth of John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon
None
1340
6 Mar 1340
Birth of John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon in Ghent, Oost-Vlaanderen, Belgium
Ghent, Oost-Vlaanderen, Belgium
1399
3 Feb 1399
Age 59
Death of John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon
None
1399
3 Feb 1399
Age 59
Death of John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon
None
1399
3 Feb 1399
Age 59
Death of John Of Gaunt Plantagenet Duke of Lancaster, Duke of Aquitaine, Earl of Richmond, King of Castile and Leon in Leicester, Leicestershire, England
Leicester, Leicestershire, England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 24 Jun 1340
    Event Place: Ghent, Oost-Vlaanderen, Belgium
    Record Source:
    [1] Colonial Families of the USA
    [2] Colonial Families of the USA

    Genealogy Event 2
    Event Type: Birth
    Event Date: 6 Mar 1340

    Genealogy Event 3
    Event Type: Birth
    Event Date: 6 Mar 1340
    Event Place: Ghent, Oost-Vlaanderen, Belgium

    Genealogy Event 4
    Event Type: Death
    Event Date: 3 Feb 1399
    Record Source:
    [1] Colonial Families of the USA
    [2] Colonial Families of the USA

    Genealogy Event 5
    Event Type: Death
    Event Date: 3 Feb 1399

    Genealogy Event 6
    Event Type: Death
    Event Date: 3 Feb 1399
    Event Place: Leicester, Leicestershire, England

About YourRoots

Family Tree Map

Explore your family tree geographically

Import your GEDCOM file to transform your family tree into an interactive global map. See your roots laid out visually and understand your true geographic heritage.

Powerful tools like "Trace Back To Me" instantly map your family's migration paths from a chosen ancestor all the way back to you.

LEARN MORE
AI Genealogy Research

Discover ancestors beyond "end-of-line" automatically

Import your family tree and let AI expand it for you. AI Ancestor Finder scans "end-of-line" ancestors to uncover their parents across hundreds of family lines at once. AI Deep Research analyzes selected ancestors and family clusters, suggesting relevant records and next steps.

Turn on Auto Research Mode to get new discoveries daily or weekly, so your tree keeps growing even while you're away.

LEARN MORE
DNA Match

Find more DNA matches across all DNA tests

Combine your DNA data with your family tree to unlock the full power of YourRoots DNA Match. Connect with relatives across major testing services — Ancestry, 23andMe, MyHeritage, and more.

View your matches' maps and trees to identify shared ancestors, and soon you'll be able to add them directly to your own tree and map.

LEARN MORE
Ancestry Reports

Ancestry DNA analysis that goes deeper than others

Unlock exclusive reports that reveal your deeper origins.

  • Deep Ancestry Report — Analyze 130+ ethnicities, sub-regions, and 1,800+ communities in one detailed view.
  • Global & Native American Reports — Developed with Stanford researchers to uncover hidden ancestries across all 22 chromosomes.
  • Ancient DNA Series — Compare your DNA with 1,000+ ancient genomes from Viking, Celtic, and early American civilizations.
LEARN MORE