YourRoots by Genomelink
banner

Sign up to explore more

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

Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville 1417–1483 – Genealogical Records

Birth Date: 1417

Birth Location: Stowe, Cornwall, England

Death Date: 1483

Death Location: Stowe, Cornwall, England

Father: William Granville

Mother: Philippa Bonville

Spouse(s): Lady Granville, Anne Courtenay

Children(s): Eleanor Grenville, Thomas Sheriff, Sir Grenville, Roger Grenville, John Grenville

Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville was born in 1417 in Stowe, Cornwall, England, the child of William Granville And Philippa Bonville. Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville married Anne Courtenay, Lady Elizabeth De Gorges Baroness Granville, and had children including Eleanor Ellen Lady Grenville, John Grenville, Roger Grenville, Sir Thomas Grenville, Thomas Sheriff. Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville passed away in 1483 in Stowe, Cornwall, England.

Find more search results for Sir Grenville
SG

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

  • Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville was born in 1417 in Stowe, Cornwall, England, the child of William Granville And Philippa Bonville.
  • Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville married Anne Courtenay, Lady Elizabeth De Gorges Baroness Granville, and had children including Eleanor Ellen Lady Grenville, John Grenville, Roger Grenville, Sir Thomas Grenville, Thomas Sheriff.
  • Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville passed away in 1483 in Stowe, Cornwall, England.

Immediate Family

Parents

Spouses(s)

Children(s)

Sir Grenville's Ancestors

Self
Sir Grenville
1417–1483
Birth Place: Stowe, Cornwall, England
Parents
William Granville
1395–1450
Stow (Cornwall) England
Philippa Bonville
1405–1460
Stow, Cornwall, England
Grandparents
Theobald (Granville) II
1367–1381
Stow, Cornwall, England
Lady (Margaret De Courtenay, Baroness) Granville
1381–1423
Castle Basenthorpe, Cornwall, England
WILLIAM BONVILLE
1393–1460
Shute, Devon, England
Lady (Margaret De Grey, Baroness) Bonville
1385–1426
Ruthin Castle, Denbighshire, Wales
Great-Grandparents
Theobold Grenville
1326–1370
Joice Beaumont
1347–1367
Matilda Beaumont
1356–1467
Sir BONVILLE
1366–1396
Elizabeth FITZROGER
1370–1414
2nd-Great-Grandparents
Sir Bonville~
1332–1408
Margaret Damerell
1343–1399

Sir Grenville's Descendants

1.
SG
Sir (Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall,) Grenville (1417–1483) m. Lady (Elizabeth De Gorges, Baroness) Granville (1417–1470) m. Anne Courtenay (1426–07 Sep 1447)
  1. 1. Eleanor (Ellen Lady) Grenville 1426–1485 m. William (Joseph) Yeo 1428–1481
    1. 1. Robert Yeo 1455–1528 m. Alice WALROND 1444–1481
      1. 1. Nicholas Yeo 1482– m. Elizabeth (Monk) Monke 1487–
        1. 1. John Yeo 1525–1573 m. Elizabeth Fortescue 1558–1569
        2. 2. William Yeo 1530–1611
        3. 3. Robert Yeo 1510–
        4. 4. Nicholas Yeo 1520–1606
      2. 2. Elizabeth Yeo 1475–
      3. 3. William Yeo 1477–1513
      4. 4. Joan Yeo 1486–
      5. 5. Edward Yeo 1483–1513
      6. 6. Robert Yeo 1484–
    2. 2. Leonard Yeo 1460–1528
    3. 3. Nicholas Yeo 1456–1527 m. Joanna Sibb 1484–
    4. 4. Helen Yeo 1456–
    5. 5. Edward Yeo 1465–1528 m. Clarke 1464–
      1. 1. Thomas Yeo 1495–1544
      2. 2. Edward YEO 1490–
    6. 6. Leonard Yeo 1516–
    7. 7. Margaret (Alice) Yeo 1424–
    8. 8. Alice Yeo 1459–1499 m. Philip Stafford 1457–
  2. 2. Thomas Sheriff 1455–1512
  3. 3. Sir (Thomas) Grenville 1449–1513 m. Lady (Isabella Elizabeth) Gilbert 1447–1494
    1. 1. Lady (Mary) Grenville 1479–1537
    2. 2. Roger Grenville 1477–1524
    3. 3. Jane Grenville 1474–1551
    4. 4. Honor Grenville 1476–1563
    5. 5. Philippa Grenville –1524
    6. 6. Catherine Grenville –1546
  4. 4. Roger Grenville 1477–1524
  5. 5. John Grenville 1452–1509

Sir Grenville's Timeline

2 Records

1417
1417
Birth of Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville in Stowe, Cornwall, England
Stowe, Cornwall, England
1483
1483
Age 66
Death of Sir Thomas I, Knight, 1st Baron Grenville, High Sheriff of Cornwall, Grenville in Stowe, Cornwall, England
Stowe, Cornwall, England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1417
    Event Place: Stowe, Cornwall, England
    Record Source:
    [1] Millennium File
    [2] U.S. and International Marriage Records, 1560-1900, Source number: 3180.000; Source type: Electronic Database; Number of Pages: 1; Submitter Code: GHS
    [3] Web: Netherlands, GenealogieOnline Trees Index, 1000-Current
    [4] Web: Netherlands, GenealogieOnline Trees Index, 1000-Current

    Genealogy Event 2
    Event Type: Death
    Event Date: 1483
    Event Place: Stowe, Cornwall, England
    Record Source:
    [1] Millennium File
    [2] Web: Netherlands, GenealogieOnline Trees Index, 1000-Current
    [3] Web: Netherlands, GenealogieOnline Trees Index, 1000-Current

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