YourRoots by Genomelink
banner

Sign up to explore more

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

William De Roos 1217–1258 – Genealogical Records

Birth Date: Bet. 1217–1227

Birth Location: Helmsley, Yorkshire, England

Death Date: 1258

Death Location: Kirkham, England

Father: Magna Ros

Mother: Isabel Scotland

Spouse(s): Lucia Fitzpiers

Children(s): Robert Roos, Sir Ros

The story of William De Roos began in 1217 in Helmsley, Yorkshire, England. William De Roos married Lucia Fitzpiers, and had children including Robert De Roos, Sir William De Ros. William De Roos passed away in 1258 in Kirkham, 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

  • The story of William De Roos began in 1217 in Helmsley, Yorkshire, England.
  • William De Roos married Lucia Fitzpiers, and had children including Robert De Roos, Sir William De Ros.
  • William De Roos passed away in 1258 in Kirkham, England.

Immediate Family

Parents

Spouses(s)

Children(s)

William Roos's Ancestors

Self
William Roos
1217–1258
Birth Place: Helmsley, Yorkshire, England
Parents
Magna Charta Surety Robert De Ros
1117–1226
Helmsley, Yorkshire, England
Isabel (of) Scotland
1120–1152
Haddington, East Lothian, Scotland
Grandparents
Everard (Baron of Hensley De) Ros
1144–1183
Yorkshire, England
Rohese Trusebut
1146–1196
Ingmanthorpe, Kirk Deighton, Yorkshire, England
William
1147–1193
William (I "The Lion"caenmor) Dunkeld,
1098–1214
Perth, Perthshire, , Scotland
Great-Grandparents
William II
1130–1176
Aubreye Harcourt
1135–1205
Scotland Henry
1114–
Ada Dewarenne
1104–1178
2nd-Great-Grandparents
David Scotland
1080–1153
Matilda Huntington
1072–1130
William Dewarenne
1078–1138
Elizabeth Devermandois
1085–1130

William Roos's Descendants

1.
WR
William (De) Roos (Bet. 1217–1227–1258) m. Lucia Fitzpiers (Bet. 1175–1235–Bet. 1204–1318)
  1. 1. Robert (De) Roos 1204–1285 m. Isabel (D') Albini 1190–1301
    1. 1. Isabel Roos 1256–1309 m. Marmaduke Thweng 1300–1323
      1. 1. Katherine Thweng 1318–1374 m. Ralph Daubeny 1305–1378
        1. 1. Elizabeth Daubeny 1338–1433 m. William Botreaux 1337–1391
    2. 2. William (De) Roos 1217–1316 m. Maud (De) Vaux 1261–1312
  2. 2. Sir (William De) Ros 1244–1310 m. Eustache Fitzhugh 1268–1310 m. Lucia Fitzpiers 1247–1310 m. Maud Devaux 1244–1290

William Roos's Timeline

4 Records

1192
1192
Birth of William De Roos in Helmsley, Yorkshire, England
Helmsley, Yorkshire, England
1217
Bet. 1217–1227
Birth of William De Roos
None
1258
1258
Age 41
Death of William De Roos
None
1264
1264
Age 47
Death of William De Roos in Kirkham, Lancashire, England
Kirkham, Lancashire, England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1192
    Event Place: Helmsley, Yorkshire, England
    Record Source:
    [1] Millennium File
    [2] UK and Ireland, Find a Grave Index
    [3] International, Find a Grave Index
    [4] World Family Tree Vol. 7, Ed. 1, Tree #0422

    Genealogy Event 2
    Event Type: Birth
    Event Date: Bet. 1217–1227
    Record Source: World Family Tree Vol. 4, Ed. 1, Tree #1725

    Genealogy Event 3
    Event Type: Title

    Genealogy Event 4
    Event Type: Death
    Event Date: 1264
    Event Place: Kirkham, Lancashire, England
    Record Source:
    [1] Millennium File
    [2] UK and Ireland, Find a Grave Index
    [3] International, Find a Grave Index
    [4] World Family Tree Vol. 7, Ed. 1, Tree #0422

    Genealogy Event 5
    Event Type: Death
    Event Date: 1258
    Record Source: World Family Tree Vol. 4, Ed. 1, Tree #1725

    Genealogy Event 6
    Event Type: Burial
    Event Place: Kirkham, England
    Record Source:
    [1] Millennium File
    [2] UK and Ireland, Find a Grave Index
    [3] International, Find a Grave Index
    [4] World Family Tree Vol. 4, Ed. 1, Tree #1725

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