YourRoots by Genomelink
banner

Sign up to explore more

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

William MONTAGU 1275–1319 – Genealogical Records

Birth Date: 14 May 1275

Birth Location: Cassington Manor, Cassington, Oxfordshire, England

Death Date: Oct 1319

Death Location: Bisham, Windsor and Maidenhead Royal Borough, Berkshire, England

Father: Simon MONTAGU

Mother: Hawise AMAND

Spouse(s): Elizabeth Montfort

Children(s): William MONTAGU, Elizabeth MONTFORT, John MONTAGU, Simon ELY, Elizabeth MONTAGU,, Maud MONTAGU, Maud MONTACUTE, Edward MONTACUTE, Alice MONTACUTE, Mary MONTAGU, Lady DEMONTAGUE, Katherine MONTAGU, Hawise MONTAGUE, Isabella MONTACUTE

William MONTAGU was born in 1275 in Cassington Manor, Cassington, Oxfordshire, England, the child of Simon De Montagu And Hawise St Amand. William MONTAGU married Elizabeth De Montfort, and had children including Alice Montacute, Edward Montacute, Elizabeth De Montfort, Elizabeth Montagu, Hawise Montague, Isabella Montacute, John Montagu, Katherine Montagu, Lady Katherine Demontague, Mary De Montagu, Maud De Montagu, Maud Montacute, Simon Montacute Bishop Of Ely, William Montagu. William MONTAGU passed away in 1319 in Bisham, Windsor and Maidenhead Royal Borough, Berkshire, England.

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:
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 MONTAGU was born in 1275 in Cassington Manor, Cassington, Oxfordshire, England, the child of Simon De Montagu And Hawise St Amand.
  • William MONTAGU married Elizabeth De Montfort, and had children including Alice Montacute, Edward Montacute, Elizabeth De Montfort, Elizabeth Montagu, Hawise Montague, Isabella Montacute, John Montagu, Katherine Montagu, Lady Katherine Demontague, Mary De Montagu, Maud De Montagu, Maud Montacute, Simon Montacute Bishop Of Ely, William Montagu.
  • William MONTAGU passed away in 1319 in Bisham, Windsor and Maidenhead Royal Borough, Berkshire, England.

Immediate Family

Parents

Spouses(s)

Children(s)

William MONTAGU's Ancestors

Self
William MONTAGU
1275–1319
Birth Place: Cassington Manor, Cassington, Oxfordshire, England
Parents
Simon DE MONTAGU
1249–1316
Shepton Montague, Somerset, England
Hawise (ST) AMAND
1252–1287
Grendon Underwood, Buckinghamshire, England
Grandparents
William (DE) MONTACUTE
1210–1270
Of Montacute, Somerset, England
Berthe
1212–1260
Shepton Montague, Somerset, England
Amauri (DE ST.) AMAND
1235–1285
Bloxham, Berkshire, England
Isabel (de) PANTULF
1233–1265
Isle of Man
Great-Grandparents
2nd-Great-Grandparents

William MONTAGU's Descendants

1.
WM
William MONTAGU (14 May 1275–Oct 1319) m. Elizabeth (De) Montfort (Abt 1273–1354)
  1. 1. William MONTAGU 1301–1344 m. Catherine GRANDISON 1302–1349 m. Alice PLANTAGENET 1306–
    1. 1. Philippa MONTAGU 1333–1382 m. Roger MORTIMER 1328–1360
      1. 1. Margery (DE) MORTIMER 1352–1405 m. Philip BRANCH 1345– m. John TOUCHET 1350–1372
        1. 1. Lady (Elizabeth) BRANCH 1374–1441 m. John (DE) CLERE 1372–1415
        2. 2. Sir (Peter DE) BRAUNCHE 1379– m. Isabel TATTON 1385–1425
        3. 3. Elizabeth (Gowdie) READE 1380–
      2. 2. Thomas (DE) MORTIMER 1350–1403 m. Agnes POYNINGS 1350–1403
      3. 3. Roger (DE) MORTIMER 1351–1360
      4. 4. Edmund MORTIMER 1352–1381 m. Philippa 1355–1382 m. Alice (FITZ) ALAN 1355–
      5. 5. Janet MORTIMER 1358–1397 m. Andrew GRAY 1355–1441
    2. 2. John MONTAGU 1328–1389 m. Margaret (DE) MONTHERMER 1329–1394
      1. 1. John MONTAGU 1350–1400 m. Maude FRANCIS 1352–1424
        1. 1. Elizabeth MONTAGU 1385–1438 m. Robert WILLOUGHBY 1385–1452
        2. 2. Thomas MONTAGU 1388–1428 m. Eleanor (of Holland COUNTESS OF) SALISBURY 1386–1405 m. Alyce CHAUCER 1404–1475
        3. 3. Anne MONTAGUE 1384–1457 m. Richard HANKFORD 1397–1431 m. John FITZLEWIS 1375–1442 m. Louis JOHN 1385– m. Thomas BUTLER 1380– m. John HOLLAND 1395–1447
        4. 4. Margaret MONTAGU 1384–1416 m. William FERRERS 1372–1445
        5. 5. Richard MONTAGU 1389–1429 m. Mary (DE) DEVON 1370–
        6. 6. William MONTAGU 1393–
        7. 7. John (Piers) MONTAGU 1400–1492 m. Elizabeth (DE) MONTFORT 1405–1462
      2. 2. Simon (DE) MONTAGUE 1353–1389 m. Eleanore (Elizabeth) BOUGHTON 1353–1375
      3. 3. Margaret (DE) MONTAGU 1354–1388 m. Thomas (DE) NORTHWOOD 1350–1381
      4. 4. Sibyl MONTAGU 1359–1420
      5. 5. Eleanor MONTAGU 1360–1393 m. John DINHAM 1359–1428
      6. 6. Katherine MONTAGU 1365–1388
      7. 7. Thomas MONTAGU 1365–1404
      8. 8. Richard MONTAGU 1369–1429
    3. 3. Elizabeth MONTAGU 1325–1359 m. Guy BRIENNE 1319–1390
    4. 4. William MONTAGU 1328–1397 m. Joan (of) Kent 1328–1386 m. Elizabeth (DE) MOHUN 1342–1415
    5. 5. Anne (DE) MONTAGU 1331– m. John (De) GREY 1321–1350
    6. 6. Sybil MONTAGU 1332–1354 m. Edmund ARUNDEL 1329–1382
    7. 7. Robert MONTAGU 1336–
  2. 2. Elizabeth (De) MONTFORT 1296–
  3. 3. John MONTAGU 1299–1317
  4. 4. Simon (MONTACUTE, BISHOP OF) ELY 1303–1345
  5. 5. Elizabeth MONTAGU, 1305–1359
  6. 6. Maud (DE) MONTAGU 1307–1352
  7. 7. Maud MONTACUTE 1307– m. Bering ABBE 1305–
  8. 8. Edward MONTACUTE 1309–1361 m. Alice (OF) NORFOLK 1324–1352 m. Joan 1325–
  9. 9. Alice MONTACUTE 1311–1346 m. Ralph D'AUBENEY 1304–1378
  10. 10. Mary (DE) MONTAGU 1313–1359 m. Richard COGAN 1299–1368 m. Guy BRYAN 1289–1344
  11. 11. Lady (Katherine) DEMONTAGUE 1315–1415 m. William CARRINGTON 1310–1378
  12. 12. Katherine MONTAGU 1315– m. William SCOTT 1350–1406 m. William CARRINGSTON 1310–1378
  13. 13. Hawise MONTAGUE 1317–1361 m. Roger BAVANT 1313–1355
  14. 14. Isabella MONTACUTE 1319–1390 m. Piercy PRIDEAUX 1310–1336

William MONTAGU's Timeline

3 Records

1275
14 May 1275
Birth of William MONTAGU in Cassington Manor, Cassington, Oxfordshire, England
Cassington Manor, Cassington, Oxfordshire, England
1319
18 Oct 1319
Age 44
Death of William MONTAGU in Denguin, Pyrénées-Atlantiques, Duchy of Gascony, France
Denguin, Pyrénées-Atlantiques, Duchy of Gascony, France
1319
Oct 1319
Age 44
Burial of William MONTAGU in Bisham, Windsor and Maidenhead Royal Borough, Berkshire, England
Bisham, Windsor and Maidenhead Royal Borough, Berkshire, England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 14 May 1275
    Event Place: Cassington Manor, Cassington, Oxfordshire, England
    Record Source: "FamilySearch Family Tree," database, <i>FamilySearch<i>, accessed 29 Mar 2024), entry for William Montagu, person ID 9H15-ZH3.

    Genealogy Event 2
    Event Type: Death
    Event Date: 18 Oct 1319
    Event Place: Denguin, Pyrénées-Atlantiques, Duchy of Gascony, France
    Record Source: "FamilySearch Family Tree," database, <i>FamilySearch<i>, accessed 29 Mar 2024), entry for William Montagu, person ID 9H15-ZH3.

    Genealogy Event 3
    Event Type: Burial
    Event Date: Oct 1319
    Event Place: Bisham, Windsor and Maidenhead Royal Borough, Berkshire, England
    Record Source: "FamilySearch Family Tree," database, <i>FamilySearch</i>, accessed 29 Mar 2024), entry for William Montagu, person ID 9H15-ZH3.

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