YourRoots by Genomelink
Sign up free
banner

Sign up to explore more

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

Sign up free

William De OR Montacute Montagu 1301 – 1343 – Genealogical Records

Birth Date: 1301

Birth Location: Cassington, Oxfordshire, England, United Kingdom

Death Date: 30 JAN 1343

Death Location: Windsor Castle, Berkshire, England, United Kingdom

Father: William Montagu

Mother: Elizabeth Montfort

Spouse(s): Catherine Grandison, Catherine Grandison, Katherine Grandison, Katherine Grandison

Children(s): Elizabeth Montagu, Elizabeth Montagu, John [, John Montegu, John Montague, John Montagu, William Montagu, William Montagu, William Montague, William Montagu, William Salisbury, Sibyl Montagu, Anne Montagu, Anne Montagu, Sibyl Montagu, Sibyl Montagu, Anne Montagu, Anne Monticute, Elizabeth Montagu, Philippa Montacute,, Philippe MONTAGUE, Philippe Montagu, Anne Montagu, Philippe Montagu, Robert Montagu, Sibyl Montagu, Philippa Montagu, Philippe Montagu, Robert Montagu, John Montagu, William Salisbury

William De OR Montacute Montagu was born in 1301 in Cassington, Oxfordshire, England, United Kingdom, the child of William De Montagu and Elizabeth De Montfort. William De OR Montacute Montagu married Catherine Grandison, Catherine Grandison, Katherine de Grandison, Katherine Grandison, and had children including Elizabeth De Montagu, Elizabeth De Montagu, John Montague [, John de Montegu, John de Montague, John De Montagu, William De Montagu, William De Montagu, William Montague, William de Montagu, William Montacute, Earl of Salisbury, Sibyl Montagu, Anne ( Anneys) De Montagu, Anne Anneys de Montagu, Sibyl De Montagu, Sibyl de Montagu, Anne De Montagu, Anne de Monticute, Elizabeth De Montagu, Philippa e Montacute,, Philippe De MONTAGUE, Philippe de Montagu, Anne De Montagu, Philippe De Montagu, Robert de Montagu, Sibyl De Montagu, Philippa de Montagu, Philippe De Montagu, Robert Montagu, John de Montagu, William de MONTACUTE, Earl of Salisbury. William De OR Montacute Montagu passed away in 1343 in Windsor Castle, Berkshire, England, United Kingdom.

Find more search results for William Montagu
WM

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:
N/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

  • William De OR Montacute Montagu was born in 1301 in Cassington, Oxfordshire, England, United Kingdom, the child of William De Montagu and Elizabeth De Montfort.
  • William De OR Montacute Montagu married Catherine Grandison, Catherine Grandison, Katherine de Grandison, Katherine Grandison, and had children including Elizabeth De Montagu, Elizabeth De Montagu, John Montague [, John de Montegu, John de Montague, John De Montagu, William De Montagu, William De Montagu, William Montague, William de Montagu, William Montacute, Earl of Salisbury, Sibyl Montagu, Anne ( Anneys) De Montagu, Anne Anneys de Montagu, Sibyl De Montagu, Sibyl de Montagu, Anne De Montagu, Anne de Monticute, Elizabeth De Montagu, Philippa e Montacute,, Philippe De MONTAGUE, Philippe de Montagu, Anne De Montagu, Philippe De Montagu, Robert de Montagu, Sibyl De Montagu, Philippa de Montagu, Philippe De Montagu, Robert Montagu, John de Montagu, William de MONTACUTE, Earl of Salisbury.
  • William De OR Montacute Montagu passed away in 1343 in Windsor Castle, Berkshire, England, United Kingdom.

Immediate Family

Parents

Spouses(s)

Children(s)

William Montagu's Ancestors

Self
William Montagu
1301 – 1343
Birth Place: Cassington, Oxfordshire, England, United Kingdom
Parents
William De Montagu
1275 –
Cassington, Oxfordshire, England, United Kingdom
Elizabeth (De) Montfort
1271 – 1345
Beaudesert, Warwickshire, England, United Kingdom
Grandparents
Great-Grandparents
2nd-Great-Grandparents

William Montagu's Descendants

1.
WM
William (De OR Montacute) Montagu (1301 – 30 JAN 1343) m. Catherine Grandison m. Catherine Grandison (1316 – ) m. Katherine (de) Grandison (1305 – 23 APR 1339) m. Katherine Grandison (1300 – )
  1. 1. Elizabeth (De) Montagu (ABT 1305 – 31 MAY 1359) m. Guy (de) Bryan (1327 – 17 AUG 1390)
    1. 1. Phillippa (de) Bryan (ABT 1325 – ) m. Edward (De) Bohun (1327 – 8 JAN 1361) m. Edward (De) Bohun (<1354> – ) m. John Chaundos (1348 – 16 DEC 1428)
    2. 2. William (de) Bryan (1 JUN 1339 – 20 MAR 1413)
    3. 3. Phillipe (de) Bryan (1350 – )
    4. 4. William (de) Bryan (10 JUL 1350 – 20 MAR 1413) m. Johanna (Stuart FITZ) ALAN (1347 – 1419)
      1. 1. Thomas Bryan (1380 – 29 OCT 1444) m. Maragaret Echingham (1 JUN 1380 – 28 JUN 1428)
        1. 1. Edmund Bryan (1412 – 1470) m. Alice Bures (1 JUN 1416 – 1 JUN 1475) m. Alice Bures (1 JUN 1416 – 1 JUN 1475)
    5. 5. Philip (de) Bryan (ABT 1351 – 14 FEB 1388)
    6. 6. Margaret (de) Bryan (ABT 1353 – ABT 1361) m. Hugh Courtenay (<1351> – ) m. Living
  2. 2. Elizabeth (De) Montagu (1327 – 31 MAY 1359) m. Guy (de) Bryan (1327 – 17 AUG 1390) m. Hugh (Le) Despencer (1308 – 8 FEB 1349) m. Giles (de) Badlesmere (1 OCT 1314 – 7 JUN 1338) m. Hugh (Le) Despencer (ABT 1335 – ) m. Giles Bodlesmere (ABT 1335 – ) m. Giles Bodlesmere (ABT 1335 – ) m. Giles (de) Badlesmere (18 OCT 1314 – 7 JUN 1338) m. Hugh (de) Spencer (1308 – 1349)
  3. 3. John (Montague) [ (ABT 1327 – )
  4. 4. John (de) Montegu (ABT 1327 – ) m. Margaret (de) Monthermer, (14 OCT 1329 – 24 MAR 1395)
  5. 5. John (de) Montague (ABT 1327 – 25 FEB 1390) m. Margaret (De) Monthermer (11 OCT 1395 – )
  6. 6. John (De) Montagu (ABT 1327 – 2 JUL 1340)
  7. 7. William (De) Montagu (25 JUN 1328 – 3 JUN 1397)
  8. 8. William (De) Montagu (25 JUN 1328 – 3 JUN 1397)
  9. 9. William Montague (25 JUN 1328 – 3 JUN 1397)
  10. 10. William (de) Montagu (25 JUN 1328 – 3 JUN 1397)
  11. 11. William (Montacute, Earl of) Salisbury (25 JUN 1328 – 3 JUN 1397) m. Bertha Nin (EST 1320 – ) m. Elizabeth (D'Arundelle) Fitzalan m. Elizabeth (D'Arundelle) Fitzalan m. Elizabeth (De) Montagu (ABT 1332 – 14 JAN 1415) m. Elizabeth (de) Montford (1405 – ) m. Isabela (<1308> – ) m. Elizabeth (ABT 1456 – ) m. Bertha (<1309> – )
  12. 12. Sibyl Montagu (1330 – UNKNOWN)
  13. 13. Anne (( Anneys) De) Montagu (ABT 1330 – )
  14. 14. Anne (Anneys de) Montagu (ABT 1330 – )
  15. 15. Sibyl (De) Montagu (ABT 1330 – ) m. Edmund (fitz) Alan (ABT 1322 – ABT 1380)
    1. 1. Philippa (Fitz) Alan (circa 1352 – 13 SEP 1399) m. Richard Sergeaux (1346 – ) m. John (de) Cornwall (ABT 1346 – 11 DEC 1443)
      1. 1. Richard Sergeaux (21 DEC 1374 – 23 JUN 1396)
      2. 2. Alice Sergeaux (1382 – 18 MAY 1452) m. Richard (De) Vere (15 AUG 1385 – 15 FEB 1417)
        1. 1. Robert (de) Vere (ABT 1407 – ABT 1470) m. Joan Courtenay (14 AUG 1411 – 3 AUG 1465)
        2. 2. Ann (Jane Oxord de) Vere (1408 – 1476)
        3. 3. John (De) Vere (23 APR 1408 – 26 FEB 1462)
        4. 4. Richard (of Addington) Vere (1410 – 1480) m. Isabella (Isabel Lady Of Drayton GREEN) Greene (1417 – 1464)
      3. 3. Joan Sergeaux (1393 – 21 FEB 1400)
      4. 4. Elizabeth Sergeaux
      5. 5. Philippa Sergeaux
  16. 16. Sibyl (de) Montagu (ABT 1330 – )
  17. 17. Anne (De) Montagu (ABT 1330 – 1420) m. John (de) Grey (ABT 1321 – BEF 4 MAY 1350)
  18. 18. Anne (de) Monticute (ABT 1330 – (UNKNOWN)) m. John (de) Grey (ABT 1321 – BEF 4 MAY 1350) m. William Montacute (20 JUN 1328 – 3 JUN 1397)
  19. 19. Elizabeth (De) Montagu (ABT 1330 – )
  20. 20. Philippa (e) Montacute, (1332 – ABT 1380) m. Roger Mortimer (11 NOV 1328 – 26 FEB 1359) m. Roger (De) Mortimer (11 NOV 1328 – 26 FEB 1360)
    1. 1. Margaret (de) Mortimer (ABT 1355 – 1381)
  21. 21. Philippe (De) MONTAGUE (ABT 1332 – )
  22. 22. Philippe (de) Montagu (ABT 1332 – )
  23. 23. Anne (De) Montagu (ABT 1332 – )
  24. 24. Philippe (De) Montagu (ABT 1332 – 5/05 JAN 1381/1382)
  25. 25. Robert (de) Montagu (1334 – (UNKNOWN))
  26. 26. Sibyl (De) Montagu (ABT 1334 – )
  27. 27. Philippa (de) Montagu (ABT 1336 – 5 JAN 1382) m. Roger Mortimer (11 NOV 1328 – 26 FEB 1359)
    1. 1. Walter Mortimer (ABT 1294 – 1384) m. Philippe (de) Montague (ABT 1332 – )
      1. 1. Joanne Mortimer (ABT 1364 – AFT 1396) m. Thomas (I Hopton of Hopton,) Knight (1362 – 1387)
  28. 28. Philippe (De) Montagu (ABT 1336 – )
  29. 29. Robert Montagu (ABT 1338 – )
  30. 30. John (de) Montagu (1330 – 4 MAR 1388)
  31. 31. William (de MONTACUTE, Earl of) Salisbury (25 JUN 1328 – )

William Montagu's Timeline

2 Records

1301
1301
Birth of William De OR Montacute Montagu in Cassington, Oxfordshire, England, United Kingdom
Cassington, Oxfordshire, England, United Kingdom
1343
30 JAN 1343
Age 42
Death of William De OR Montacute Montagu in Windsor Castle, Berkshire, England, United Kingdom
Windsor Castle, Berkshire, England, United Kingdom

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1301
    Event Place: Cassington, Oxfordshire, England, United Kingdom

    Genealogy Event 2
    Event Type: Christening
    Event Place: (17-18 1320)

    Genealogy Event 3
    Event Type: Death
    Event Date: 30 JAN 1343
    Event Place: Windsor Castle, Berkshire, England, United Kingdom

    Genealogy Event 4
    Event Type: Burial
    Event Place: Bisham, Berkshire, England, United Kingdom

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