YourRoots by Genomelink
banner

Sign up to explore more

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

John de Grey 1387–1439 – Genealogical Records

Birth Date: 1387

Birth Location: Ruthin, Denbighshire, Wales

Death Date: 27 AUG 1439

Death Location: Badmondisfield, Suffolk, England (Buckenham Castle)

Father: Reginald Ruthin)

Mother: Margaret Ros

Spouse(s): Constance Holand, Margaret Mowbray

Children(s): Edmund Grey, Constance Grey, Thomas Grey, Alice Grey

In 1387, John de Grey entered the world in Ruthin, Denbighshire, Wales, born to Reginald Grey 3Rd Baron Of Ruthin And Margaret De Ros. John de Grey married Constance De Holand, Margaret Duchess Of Norfolk De Mowbray, and had children including Alice De Grey, Constance De Grey, Edmund 1St Earl Of Kent De Grey, Thomas 1St Baron Of Richemount De Grey. John de Grey passed away in 1439 in Badmondisfield, Suffolk, England (Buckenham Castle).

Find more search results for John Grey
JG

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 1387, John de Grey entered the world in Ruthin, Denbighshire, Wales, born to Reginald Grey 3Rd Baron Of Ruthin And Margaret De Ros.
  • John de Grey married Constance De Holand, Margaret Duchess Of Norfolk De Mowbray, and had children including Alice De Grey, Constance De Grey, Edmund 1St Earl Of Kent De Grey, Thomas 1St Baron Of Richemount De Grey.
  • John de Grey passed away in 1439 in Badmondisfield, Suffolk, England (Buckenham Castle).

Immediate Family

Parents

Spouses(s)

Children(s)

John Grey's Ancestors

Self
John Grey
1387–1439
Birth Place: Ruthin, Denbighshire, Wales
Parents
Reginald Grey - (3rd Baron of Ruthin)
1362–1440
Ruthin, Denbighshire, Wales
Margaret (de) Ros
1366–1414
Helmsley Castle, North Riding Yorkshire, England
Grandparents
Reynold ((Reginald) de Grey (2nd Lord Grey of) Ruthin)
1323–1388
Ruthin Castle, Denbighshire, Wales
Alianore (Eleanore le) strange
1328–1396
Knockin, Shropshire, England
Great-Grandparents
2nd-Great-Grandparents

John Grey's Descendants

1.
JG
John (de) Grey (1387–27 AUG 1439) m. Constance (de) Holand (1387–16 NOV 1437) m. Margaret ((Duchess of Norfolk) de) Mowbray (1399–18 OCT 1459)
  1. 1. Edmund ((1st Earl of Kent) de) Grey 1416–1490
  2. 2. Constance (de) Grey 1414–1442
  3. 3. Thomas ((1st Baron of Richemount) de) Grey 1418–1461
  4. 4. Alice (de) Grey 1435–1474 m. William Knyvett 1438–1515
    1. 1. Anne Knyvett 1456–1540
    2. 2. Edmund Knyvett 1462–1528
    3. 3. Elizabeth Knyvett 1470–1516

John Grey's Timeline

2 Records

1387
1387
Birth of John de Grey in Ruthin, Denbighshire, Wales
Ruthin, Denbighshire, Wales
1439
27 AUG 1439
Age 52
Death of John de Grey in Badmondisfield, Suffolk, England (Buckenham Castle)
Badmondisfield, Suffolk, England (Buckenham Castle)

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1387
    Event Place: Ruthin, Denbighshire, Wales

    Genealogy Event 2
    Event Type: Death
    Event Date: 27 AUG 1439
    Event Place: Badmondisfield, Suffolk, England (Buckenham Castle)
    Record Source: Age:
    51-52

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