YourRoots Logo
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

Sir William de Seymour 1349 – 1391 – Genealogical Records

Birth Date: 1349

Birth Location: Hatch, Somerset, England

Death Date: 25 Aug 1391

Death Location: Hatch Beauchamp, Taunton, Somerset, England

Father: Sir Seymour

Mother: Lady Beauchamp

Spouse(s): Margaret Brockbury

Children(s): Lettice Seymour, Sir Seymour

Sir William de Seymour was born in 1349 in Hatch, Somerset, England, the child of Sir Roger de Seymour and Lady Cecily de Beauchamp. Sir William de Seymour married Margaret de Brockbury, and had children including Lettice Seymour, Sir Roger Seymour. Sir William de Seymour passed away in 1391 in Hatch Beauchamp, Taunton, Somerset, England.

Find more search results for Sir Seymour
SS

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

  • Sir William de Seymour was born in 1349 in Hatch, Somerset, England, the child of Sir Roger de Seymour and Lady Cecily de Beauchamp.
  • Sir William de Seymour married Margaret de Brockbury, and had children including Lettice Seymour, Sir Roger Seymour.
  • Sir William de Seymour passed away in 1391 in Hatch Beauchamp, Taunton, Somerset, England.

Immediate Family

Parents

Spouses(s)

Children(s)

Sir Seymour's Ancestors

Self
Sir Seymour
1349 – 1391
Birth Place: Hatch, Somerset, England
Parents
Sir Roger de Seymour
1314 – 1361
Evenswindon Manor, Wiltshire, England
Lady (Cecily de) Beauchamp
1334 – 1394
Hatch Beauchamp Manor, Taunton, Somerset, England
Grandparents
Sir (John) Beauchamp
1306 – 1343
Hatch, Somerset, England
Lady (Margaret de Saint) John
1308 – 1361
Somerset, England
Great-Grandparents
Sir Beauchamp
1274 – 1336
Joan Chenduit
1279 – 1327
2nd-Great-Grandparents
Sir Beauchamp
1249 – 1283
Cecilia Vivonne
1253 – 1320

Sir Seymour's Descendants

1.
SS
Sir (William de) Seymour (1349 – 25 Aug 1391) m. Margaret (de) Brockbury (1351 – 25 Aug 1391)
  1. 1. Lettice Seymour (1368 – 1372)
  2. 2. Sir (Roger) Seymour (03 Jul 1370 – Sept 1420) m. Lady (Maud) Esturmi (1374 – 1483)
    1. 1. Sir (John) Seymour (1400 – 20 Dec 1464) m. Isabel MacWilliam (1406 – 14 Apr 1485)
      1. 1. John (Wiltshire) Seymour (1425 – 12 Aug 1463) m. Elizabeth Coker (1436 – 1486)
        1. 1. John Seymour (1450 – 26 Oct 1491) m. Elizabeth Darell (1454 – 1479)
        2. 2. Alexander Seymour (1452 – )
        3. 3. Humphrey Seymour (1454 – 1502)
      2. 2. Margaret Seymour
    2. 2. Isabel Seymour (1405 – )
    3. 3. Alice Seymour (1410 – )

Sir Seymour's Timeline

2 Records

1349
1349
Birth of Sir William de Seymour in Hatch, Somerset, England
Hatch, Somerset, England
1391
25 Aug 1391
Age 42
Death of Sir William de Seymour in Hatch Beauchamp, Taunton, Somerset, England
Hatch Beauchamp, Taunton, Somerset, England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1349
    Event Place: Hatch, Somerset, England

    Genealogy Event 2
    Event Type: Death
    Event Date: 25 Aug 1391
    Event Place: Hatch Beauchamp, Taunton, Somerset, England

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