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Lady Blanche Plantagenet Duchess of Lancaster 1345–1369 – Genealogical Records

Birth Date: 25 Mar 1345

Birth Location: Castle Grosmont, Grosmont, Monmouthshire, England

Death Date: 12 Sep 1369

Death Location: Bolingbroke Castle, Lincolnshire, England

Father: HENRY Lancaster

Mother: Isabel Lancaster

Spouse(s): John Acquitaine

Children(s): Isabel Plantagenet, Edmund Beaufort, Thomas Swynford, John Gaunt, Dorothy Swynford, John Plantagenet, John Plantagenet, John Gaunt, John deBeaufort, John Beaufort, Elizabeth Plantagenet, Cathrine Castile, Sabel Lancaster, Queen Plantagenet, King Garter, Elizabeth Exeter, Phillipa Plantagenet

In 1345, Lady Blanche Plantagenet Duchess of Lancaster entered the world in Castle Grosmont, Grosmont, Monmouthshire, England, born to Henry Grosmont Plantagenet Lancaster And Isabel Debeaumont Brienne Duchess Of Lancaster. Lady Blanche Plantagenet Duchess of Lancaster married John Beauford Gaunt Plantagenet 1St Duke Of Lancaster Duke Of Acquitaine, and had children including Cathrine Of Lancaster Consort Henry Castile, Dorothy Swynford, Edmund Beaufort, Elizabeth Duchess Exeter Plantagenet, Elizabeth Plantagenet Of Lancaster Duchess Of Exeter, Isabel Plantagenet, John Beaufort, John Gaunt, John Lancaster Debeaufort, John Plantagenet, King Henry Iv Bolingbroke Plantagenet Earl Of Derby House Of Lancaster Knight Of The Garter, Phillipa Lancaster Consort Plantagenet, Queen Consort Catherine Plantagenet, Sabel Plantagenet Lancaster, Thomas Swynford. Lady Blanche Plantagenet Duchess of Lancaster passed away in 1369 in Bolingbroke Castle, Lincolnshire, England.

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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 1345, Lady Blanche Plantagenet Duchess of Lancaster entered the world in Castle Grosmont, Grosmont, Monmouthshire, England, born to Henry Grosmont Plantagenet Lancaster And Isabel Debeaumont Brienne Duchess Of Lancaster.
  • Lady Blanche Plantagenet Duchess of Lancaster married John Beauford Gaunt Plantagenet 1St Duke Of Lancaster Duke Of Acquitaine, and had children including Cathrine Of Lancaster Consort Henry Castile, Dorothy Swynford, Edmund Beaufort, Elizabeth Duchess Exeter Plantagenet, Elizabeth Plantagenet Of Lancaster Duchess Of Exeter, Isabel Plantagenet, John Beaufort, John Gaunt, John Lancaster Debeaufort, John Plantagenet, King Henry Iv Bolingbroke Plantagenet Earl Of Derby House Of Lancaster Knight Of The Garter, Phillipa Lancaster Consort Plantagenet, Queen Consort Catherine Plantagenet, Sabel Plantagenet Lancaster, Thomas Swynford.
  • Lady Blanche Plantagenet Duchess of Lancaster passed away in 1369 in Bolingbroke Castle, Lincolnshire, England.

Immediate Family

Parents

Spouses(s)

Children(s)

Lady Lancaster's Ancestors

Self
Lady Lancaster
1345–1369
Birth Place: Castle Grosmont, Grosmont, Monmouthshire, England
Parents
HENRY Grosmont Plantagenet Lancaster
1300–1362
Grismond Castle, Monmouth, England
Isabel (DeBeaumont Brienne Duchess of) Lancaster
1318–1360
Longborough Castle, Leicestershire, England
Grandparents
Henry (DeBeaumont) Brienne
1285–1340
Chateau De Gue, Sarthe, Pays de la Loire, France
Alice Comyn
1281–1349
Buchan, Scotland
Great-Grandparents
Alexander Buchan
1252–1305
Isabel Quincy
1220–1282
2nd-Great-Grandparents
Roger Winchester
1196–1264
Helen Galloway
1196–1245

Lady Lancaster's Descendants

1.
LL
Lady (Blanche Plantagenet Duchess of) Lancaster (25 Mar 1345–12 Sep 1369) m. John (Beauford Gaunt Plantagenet, 1st Duke of Lancaster, Duke of) Acquitaine (6 March 1340–3 Feb 1399)
  1. 1. Isabel Plantagenet 1368–1370
  2. 2. Edmund Beaufort 1380–1455
  3. 3. Thomas Swynford 1368–1432
  4. 4. John Gaunt 1366–1367
  5. 5. Dorothy Swynford 1370–
  6. 6. John Plantagenet 1365–1443
  7. 7. John Plantagenet 1365–1365
  8. 8. John Gaunt 1362–1365
  9. 9. John (Lancaster) deBeaufort 1362–1362
  10. 10. John Beaufort 1410–1410
  11. 11. Elizabeth (Duchess Exeter) Plantagenet 1363–1425
  12. 12. Cathrine (of Lancaster consort Henry) Castile 1361–1390
  13. 13. Sabel (Plantagenet) Lancaster 1360–
  14. 14. Queen (Consort Catherine) Plantagenet 1372–1418
  15. 15. King (Henry IV Bolingbroke Plantagenet Earl of Derby, House of Lancaster, Knight of the) Garter 1367–1413
  16. 16. Elizabeth (Plantagenet of Lancaster, Duchess of) Exeter 1363–1425
  17. 17. Phillipa (Lancaster Consort) Plantagenet 1360–1415 m. Joao (I) Portugal 1357–1433
    1. 1. Sir (Edward I 'The Eloquent', King of Portugal and the Algarves) KG 1391–1438 m. Leonora deAragón 1402–1445
      1. 1. Fernando (Duke of Viseu Portugal and the) Algarves 1433–1470 m. Beatrice, (Duchess of Viseu of) Portugal 1430–1506
        1. 1. Manuel (I Great) Portugal 1469–1521 m. Maria Aragon 1482–1517 m. Isabella* Spain 1470–1498 m. Eleanor* Castile 1498–1558
        2. 2. João ('John', Duke of) Viseu 1448–1472
      2. 2. Infante (Joao John) Portugal 1429–1433
    2. 2. João ('John' II of Portugal, King of*) Castile 1400–1442 m. Isabella Braganza 1402–1465
      1. 1. Beatrice, (Duchess of Viseu of) Portugal 1430–1506 m. Fernando (Duke of Viseu Portugal and the) Algarves 1433–1470

Lady Lancaster's Timeline

2 Records

1345
25 Mar 1345
Birth of Lady Blanche Plantagenet Duchess of Lancaster in Castle Grosmont, Grosmont, Monmouthshire, England
Castle Grosmont, Grosmont, Monmouthshire, England
1369
12 Sep 1369
Age 24
Death of Lady Blanche Plantagenet Duchess of Lancaster in Bolingbroke Castle, Lincolnshire, England
Bolingbroke Castle, Lincolnshire, England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 25 Mar 1345
    Event Place: Castle Grosmont, Grosmont, Monmouthshire, England

    Genealogy Event 2
    Event Type: Death
    Event Date: 12 Sep 1369
    Event Place: Bolingbroke Castle, Lincolnshire, England

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