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

William (Sir) Lord Roos of Helmsley De Roos 1369 – 1414 – Genealogical Records

Birth Date: 1369

Birth Location: England

Death Date: September 1414

Death Location: England

Father: Sir Ros

Mother: Beatrice Stafford

Spouse(s): Margaret FitzAlan

Children(s): Margaret Roos

In 1369, William (Sir) Lord Roos of Helmsley De Roos 6th entered the world in England, born to Sir Thomas (4th Lord of Hemsley) De Ros and Beatrice De Stafford. William (Sir) Lord Roos of Helmsley De Roos 6th married Margaret deArundel Baroness FitzAlan, and had children including Margaret De Roos. William (Sir) Lord Roos of Helmsley De Roos 6th passed away in 1414 in England.

Find more search results for William Roos
WR

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 1369, William (Sir) Lord Roos of Helmsley De Roos 6th entered the world in England, born to Sir Thomas (4th Lord of Hemsley) De Ros and Beatrice De Stafford.
  • William (Sir) Lord Roos of Helmsley De Roos 6th married Margaret deArundel Baroness FitzAlan, and had children including Margaret De Roos.
  • William (Sir) Lord Roos of Helmsley De Roos 6th passed away in 1414 in England.

Immediate Family

Parents

Sir Ros
1336 – 1383
Birth Location: –
SR
Beatrice Stafford
1337 – 1365
Birth Location: –
BS

Spouses(s)

Margaret FitzAlan
1372 – 1438
Birth Location: Arundel, Sussex, England
MF

Children(s)

Margaret Roos
1398 – 1915
Birth Location: Newstead, Leicestershire, England
MR

William Roos's Ancestors

Self
William Roos
1369 – 1414
Birth Place: England
Parents
Sir Thomas (4th Lord of Hemsley) De Ros
1336 – 1383
Beatrice (De) Stafford
1337 – 1365
Grandparents
Sir (William (20) 2nd Lord of Hemsley) De) Ros
1288 – 1343
Eustache Fitzhugh
Ralph ((Sir Earl)) DeStafford
1301 – 1372
Tunbridge, Staffordshire, England
Margaret ((Lady Baroness)) DeAudley
1318 – 1347
Stafford, Staffordshire, England
Great-Grandparents
Sir Roos
1255 – 1316
Maud Vaux
Hugh DeAudley
1289 – 1347
Lady Clare
1292 – 1342
2nd-Great-Grandparents
Sir Roos
1223 – 1285
Isabel d'Albini
1233 – 1301
Hugh Audley
1250 – 1347
Isolde DeMortimer
1270 – 1338
Lord Clare
1243 – 1295
Joan Acre
1272 – 1307

William Roos's Descendants

1.
WR
William ((Sir) Lord Roos of Helmsley De) Roos (1369 – September 1414) m. Margaret (deArundel Baroness) FitzAlan (1372 – 3 July 1438)
  1. 1. Margaret (De) Roos (1398 – 18 August 1915) m. James Touchet (8 September 1398 – 23 September 1459)
    1. 1. Constance (Audley) Tuchet (1420 – 1531)
    2. 2. John Touchet (1420 – 26 September 1490)
    3. 3. John Tuchet (1420 – 1490)
    4. 4. Margaret Tuchet (1420 – 1480)
    5. 5. Anne ((De Audley)) Touchet (1422 – 13 November 1503) m. Thomas ((Sir)) Dutton (1421 – 09/23/1459) m. Richard (de la) Bere (1434 – 15 July 1514) m. Hugh Done (1396 – )
      1. 1. Eleanor Dutton (1439 – 1505)
      2. 2. Cicely Dutton (1442 – )
      3. 3. Peter Dutton (1442 – 1459)
      4. 4. John Dutton (1444 – 1495)
      5. 5. Isabel Dutton (1446 – 12 Aug 1487) m. Sir (Christopher) Southworth (1443 – 12 Aug 1502)
        1. 1. Joan Southworth (1468 – Dec 1504)
        2. 2. Margaret Southworth (1475 – )
        3. 3. John (Sir De (14)) Southworth (1478 – 1518) m. Helen (De (14)) Langton (1482 – 1496)
        4. 4. Edward Southworth (1479 – )
        5. 5. Jane Southworth (1481 – 06 Dec 1504)
        6. 6. Alice Southworth (1483 – 1543)
        7. 7. Agnes (Anne) Southworth (1487 – 1509)
      6. 6. Isabel Dutton (1447 – 10/22/1520)
      7. 7. Anna (Countess of Sefton) Dutton (1449 – 10 Oct 1520)
      8. 8. Alice Dutton (1452 – 1515)
      9. 9. Elizabeth Dutton (1456 – 1516)
      10. 10. Laurence Dutton (1458 – 1522)
    6. 6. Edmund Touchet (1423 – 23 August 1524)
    7. 7. Margaret Touchet (1431 – 2 February 1480)
    8. 8. Humphrey Audley (1435 – 4 May 1471)

William Roos's Timeline

2 Records

1369
1369
Birth of William (Sir) Lord Roos of Helmsley De Roos 6th in England
England
1414
September 1414
Age 45
Death of William (Sir) Lord Roos of Helmsley De Roos 6th in England
England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1369
    Event Place: England
    Record Source: Web: Netherlands, GenealogieOnline Trees Index, 1000-2015

    Genealogy Event 2
    Event Type: Death
    Event Date: September 1414
    Event Place: England
    Record Source: Web: Netherlands, GenealogieOnline Trees Index, 1000-2015
Find more search results for William Roos

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