YourRoots by Genomelink
banner

Sign up to explore more

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

Blanche Plantagenet of Lancaster, Duchess of Lancaster 1341–1369 – Genealogical Records

Birth Date: 25 Mar 1341

Birth Location: Bolingbroke Castle, Lincolnshire, England

Death Date: 30 Sep 1369

Death Location: Tutbury Castle, Staffordshire, England

Father: Henry Leicester

Mother: Isabel Lancaster

Spouse(s): Sir Lancaster

Children(s): Henry II, Phillipa Portugal, Elizabeth Plantagenet

In 1341, Blanche Plantagenet of Lancaster, Duchess of Lancaster entered the world in Bolingbroke Castle, Lincolnshire, England, born to Henry Of Grosmont Plantagenet Of Lancaster K G 1St Duke 100 Years War Earl Of Derby And Leicester And Isabel Beaumont House Of Brienne Duchess Of Lancaster. Blanche Plantagenet of Lancaster, Duchess of Lancaster married Sir John Gaunt Plantagenet Duke Of Lancaster, and had children including Elizabeth Plantagenet, Henry Iv Bolingbroke Lancaster Branch Of Plantagenets King Of England 1399 To 1413 Kg Unsuccessful Siege Of Vilnius Deposed King Richard Ii, Phillipa Plantagenet Of Lancaster Queen Of Portugal. Blanche Plantagenet of Lancaster, Duchess of Lancaster passed away in 1369 in Tutbury Castle, Staffordshire, England.

Find more search results for Blanche Lancaster
BL

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:
A
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 1341, Blanche Plantagenet of Lancaster, Duchess of Lancaster entered the world in Bolingbroke Castle, Lincolnshire, England, born to Henry Of Grosmont Plantagenet Of Lancaster K G 1St Duke 100 Years War Earl Of Derby And Leicester And Isabel Beaumont House Of Brienne Duchess Of Lancaster.
  • Blanche Plantagenet of Lancaster, Duchess of Lancaster married Sir John Gaunt Plantagenet Duke Of Lancaster, and had children including Elizabeth Plantagenet, Henry Iv Bolingbroke Lancaster Branch Of Plantagenets King Of England 1399 To 1413 Kg Unsuccessful Siege Of Vilnius Deposed King Richard Ii, Phillipa Plantagenet Of Lancaster Queen Of Portugal.
  • Blanche Plantagenet of Lancaster, Duchess of Lancaster passed away in 1369 in Tutbury Castle, Staffordshire, England.

Immediate Family

Parents

Henry Leicester
1310–1361
Birth Location: Grosmont Castle, Grosmont, Monmouthshire, England
HL
Isabel Lancaster
1315–1359
Birth Location: Loughborough Castle, Loughborough, Leicestershire, England
IL

Spouses(s)

Sir Lancaster
1340–1398
Birth Location: Abbaye De St Bavon, Ghent, Flandre-Orientale, Belgium
SL

Children(s)

Henry II
1367–1413
Birth Location: Bolingbroke Castle, near Spilsby, Lincolnshire, England
HI
Phillipa Portugal
1360–1415
Birth Location: Leicester Castle, Leicestershire, England
PP
Elizabeth Plantagenet
1363–1426
Birth Location: England
EP

Blanche Lancaster's Ancestors

Self
Blanche Lancaster
1341–1369
Birth Place: Bolingbroke Castle, Lincolnshire, England
Parents
Henry of Grosmont Plantagenet of Lancaster, K.G., 1st Duke; 100 Years War, Earl of Derby and Leicester
1310–1361
Grosmont Castle, Grosmont, Monmouthshire, England
Isabel (Beaumont House of Brienne, Duchess of) Lancaster
1315–1359
Loughborough Castle, Loughborough, Leicestershire, England
Grandparents
Henry (Plantagenet of Lancaster, 3rd Earl of Lancaster; blood direct via) FitzAlans
1281–1345
Grosmont Castle, Grosmont, Monmouth, Wales
Maud (de) Chaworth
1282–1322
Kidwelly Castle, Carmarthanshire, Wales
Henry ('disinherited' Beaumont, Earl, Knight of Folkingham, Joint Warden of Scotland, Privy Councillor, Constable of England, Battle of) Bannockburn
1288–1339
Buchan, Aberdeenshire, Scotland
Alice (Comyn, Countess of) Buchan
1289–1349
Buchan, Aberdeenshire, Scotland
Great-Grandparents
Edmund Crusade
1245–1296
Blanche Artois
1248–1302
Patrick Orgmore
1250–1283
Isabel Despenser
1252–1306
Louis Beaumont-le-Maine
1235–1297
Lady Beaumont-le-Maine
1235–1301
2nd-Great-Grandparents
Henry o
1207–1272
Eleanor Provence
1217–1291
Robert Crusade
1216–1249
Matilda Gravin
1224–1288
Patrick Chaworth
1218–1257
Hawise Chaworth
1223–1274
William Worcestershire
1237–1298
Maud fitzJohn)
1237–1301
Sir Constantinople
1170–1237
Berenguela consort
1198–1237

Blanche Lancaster's Descendants

1.
BL
Blanche (Plantagenet of Lancaster, Duchess of) Lancaster (25 Mar 1341–30 Sep 1369) m. Sir (John Gaunt Plantagenet, Duke of) Lancaster (24 Jul 1340–15 Mar 1398)
  1. 1. Henry (IV Bolingbroke Lancaster branch of Plantagenets, King of England (1399 to 1413), KG, unsuccessful siege of Vilnius, deposed King Richard) II 1367–1413 m. Mary (de) Bohun 1368–1394 m. Joan (of Navarre, Queen of England, Duchess of) Brittany 1370–1437
    1. 1. Henry (V Plantagenet, King of England; Lord of Ireland, 100 Years War: Battle) Agincourt 1387–1422 m. Catherine (of Valois, Dowager Queen of England, Countess of) Charolais 1401–1437
      1. 1. Henry (VI Plantaganet of Lancaster, King of England and France, Lord of Ireland, defeated Battle of Castillon 1453 – end of Hundred Years War; lost most of) France 1421–1471 m. Margaret (Anjou, Queen Consort of) England 1430–1482
        1. 1. Edward (Plantagenet of Lancaster, Prince of) Wales 1453–1471 m. Lady (Anne Neville Princess of Wales, Queen Consort of) England 1456–1485
      2. 2. Mary Plantagenet 1421–1487
      3. 3. Catherine Tudor 1437–1436
      4. 4. Dafydd Owen 1434–1501
      5. 5. Thomas Tudor 1429–1465
      6. 6. Margaret Tudor 1437–1437
    2. 2. Edward Plantagenet 1382–1382
    3. 3. Thomas (of) Lancaster 1388–1421
    4. 4. John (of) Lancaster 1389–1435
    5. 5. Humphrey (Plantagenet of Lancaster, Duke of) Gloucester 1390–1447 m. Eleanor (de) Cobham 1405–1454 m. Jacobaea Straubing 1401–1436
      1. 1. Antigone Lancaster 1428–1450 m. Sir (Henry Grey, 2nd Earl of) Tankerville 1419–1450
        1. 1. Lady (Elizabeth Grey, Baroness of) Hordley 1440–1501 m. Sir (Roger Kynaston, High Sheriff of Shropshire; Knight of Hordley, Salup, Escheator & of Merionethshire,) Wales 1432–1492
        2. 2. Richard Grey 1436–1466
        3. 3. Humphrey Grey 1438–
    6. 6. Blanche (Lancaster branch of) Plantagenets 1392–1409 m. Louis (III Wittelsbach Dynasty, Elector Palatine, Count Palatine of the Rhine, member of the Parakeet Society and of the League of) Constance 1378–1436
    7. 7. Philippa (of Lancaster of Monmouth of) England 1394–1430
    8. 8. Joan Beaufort 1391–1451
    9. 9. Jane (Plantagenet (De) Beaufort) 1392–1461
  2. 2. Phillipa (Plantagenet of Lancaster, Queen of) Portugal 1360–1415 m. John (João I 'The Good' House de Aviz, King of Portugal & Algarve; Illegitimate son of Pedro) I 1357–1433
    1. 1. Isabella (de Avis, of Portugal, Duchess consort of) Burgundy 1397–1472 m. Philip (III "the Good" House of Valois, Duke of) Burgundy 1396–1467
      1. 1. Charles ("The Bold" Capet, Count of Charolais; Duke of) Burgundy 1433–1477 m. Isabella (De Bourbon, Countess; Consort of) Charolais 1436–1465 m. Margaret (Plantagenet of York, Duchess of) Burgundy 1446–1503 m. Catherine (of Valois, Countess of Charolais, no) issue 1428–1446
        1. 1. Marie (Bourgogne) Capet 1456–1482 m. Maximilian (I van Habsburg, Holy Roman Emperor, King of) Germany 1459–1519
        2. 2. Mary (Maria of Burgundy Bourgondië Habsburg dynasty, de) Rijke 1457–1482
      2. 2. Jeanne (De) Glymes 1432–1518
    2. 2. Duarte (I ( Edward) 'The Eloquent' House of Aviz, King of) Portugal 1391–1438 m. Leonora ((Eleanor) House of Trastamara, Queen of Portugal &) Aragon 1402–1445
      1. 1. Eleonora (Helena Princess of Portugal, Holy Roman) Empress 1434–1467 m. Frederick (III 'The Peaceful' "The Fat" von Hapsburg, Holy Roman) Emperor 1415–1493
        1. 1. Maximilian (I van Habsburg, Holy Roman Emperor, King of) Germany 1459–1519 m. Anne (de Bretagne, Queen Consort of France, Duchess of Brittany &) Bretagne 1477–1514 m. Marie (Bourgogne) Capet 1456–1482
        2. 2. Kunigunde (Habsburg, Duchess of Bavaria-Münich & van) Oostenrijk 1465–1520 m. Albrecht (IV "The Wise" van Wittelsbach, Hertog van) Beieren-München 1447–1508
        3. 3. Helene (Eleonore Von Habsburg,) Archduchess 1460–1462
        4. 4. Christoph (von Habsburg) archduke 1455–1456
      2. 2. Joana (of Portugal, de Aviz, Queen Consort of) Castile 1439–1475
      3. 3. Alfonso (V 'The African', Joanine Dynasty (House of Aviz) King of Portugal and the) Algarves 1432–1481 m. Isabella (la) Paloma 1432–1455 m. Juana ("la Beltranaja" Infta of Castile, Princess of the) Asturias 1462–1530
        1. 1. Joao (II "the Severe" King of) Portugal 1455–1495
        2. 2. Joao 1451–1455
        3. 3. Joanna (of) Portugal 1452–1490
      4. 4. Fernando (de Portugal, Duke of) Viseu 1433–1470 m. Beatriz (de) Aveiro 1430–1506
        1. 1. Manuel (I de Grote House of Aviz-Beja, King of) Portugal 1469–1521 m. Isabella (of Aragon Trastámara, Queen of Portugal, Princess of) Asturias 1470–1498 m. Eleanor (of) Austria 1498–1558 m. Maria (of Aragon a Spanish infanta, queen consort of) Portugal 1482–1517
    3. 3. Pedro ((Peter), 1st Duke of Coimbra, Constable of) Portugal 1392–1449
    4. 4. Henrique ('Henry the Navigator' of Portugal, Duke of) Viseu 1394–1460
    5. 5. João ((John) de Portugal, Prince of the House of Aviz, Constable of Portugal & master of the Portuguese Order of St.) James 1400–1442 m. Isabel (of Portugal of Braganza, married her uncle) Joao 1402–1465
      1. 1. Beatriz (de) Aveiro 1430–1506 m. Fernando (de Portugal, Duke of) Viseu 1433–1470
  3. 3. Elizabeth Plantagenet 1363–1426 m. John (Hastings, 3rd Earl of) Pembroke 1372–1389 m. John (Holland, 1st Duke of Exeter, Earl of) Huntingdon 1352–1400
    1. 1. John (Holand Holland, 1st Duke of Exeter, Earl of Huntingdon; captured by the French at the Battle of Baugé 4 years as) prisoner 1395–1447 m. Brites (Beatrice of Portugal) (fitzAlan) 1386–1439 m. Lady (Anne de Stafford, Countess of March, Duchess of Huntington and) Exeter –1432
      1. 1. Anne Holand 1410–1486 m. James ((cousin) Douglas, 9th Earl of) Douglas 1426–1488 m. Sir (John Neville, knight, Lord of, War of the) Roses 1410–1461
        1. 1. Sir (Ralph de Neville, Knight of Bath, 3rd Earl of Westmorland, Lord) Neville 1456–1498 m. Lady (Isabel Margaret) Booth 1457–1485
    2. 2. Constance (de Holland) (Grey) 1387–1437 m. Sir (Thomas de) Mowbray 1385–1405
      1. 1. Reginald Grey –1485
    3. 3. Richard (Holland, 2nd Earl of) Huntingdon 1386–1400
    4. 4. Sir (Edward de) Holand 1399–1413
    5. 5. Elizabeth (de Holand) Holland 1389–1449 m. Sir (Roger de Fiennes, Knight of Shire for Sussex, Sheriff of Surrey & Sussex, Constable of Portchester, Treasurer of Household for King Henry) VI 1384–1449
      1. 1. Sir (Richard Fynnes) Fiennes 1415–1483 m. Lady (Joan de Dacre, 7th Baroness of Dacre, Baroness of Gilsland, Baroness of) Clifford 1418–1485
        1. 1. Sir (John) Fiennes 1449–1483
        2. 2. Elizabeth Fiennes 1452–1485
        3. 3. Margaret (Sculton de Burdeles De Fiennes, Baroness) Abergavenny 1444–1485
        4. 4. Thomas FIENNES 1450–1526
      2. 2. Margaret (de) Fiennes 1420–1483 m. Nicholas Carew 1405–1458 m. Henry (I) Scarborough 1423–1477
        1. 1. John (Henry II) Scarburgh 1440–1472
        2. 2. Sir (James) Carew 1430–1492 m. Alinor (Alianor Hoo, Lady of) Hoo 1449–

Blanche Lancaster's Timeline

2 Records

1341
25 Mar 1341
Birth of Blanche Plantagenet of Lancaster, Duchess of Lancaster in Bolingbroke Castle, Lincolnshire, England
Bolingbroke Castle, Lincolnshire, England
1369
30 Sep 1369
Age 28
Death of Blanche Plantagenet of Lancaster, Duchess of Lancaster in Tutbury Castle, Staffordshire, England
Tutbury Castle, Staffordshire, England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 25 Mar 1341
    Event Place: Bolingbroke Castle, Lincolnshire, England
    Record Source: Netherlands, GenealogieOnline Trees Index

    Genealogy Event 2
    Event Type: Death
    Event Date: 30 Sep 1369
    Event Place: Tutbury Castle, Staffordshire, England
    Record Source:
    [1] Netherlands, GenealogieOnline Trees Index
    [2] Age:
    28
Find more search results for Blanche Lancaster

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