YourRoots by Genomelink
banner

Sign up to explore more

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

Sir William De Ros 1219–1253 – Genealogical Records

Birth Date: 1219

Birth Location: Burgh By Sand, Cumberland, England

Death Date: 1253

Death Location: Stinton, Aylsham, Norfolk, England

Father: William Deros

Mother: Lady Fitzpiers

Spouse(s): Agatha Clere

Children(s): Alice Derus, William Deros

In 1219, Sir William De Ros entered the world in Burgh By Sand, Cumberland, England, born to William I Sir Knight Deros And Lady Lucy Baroness Fitzpiers. Sir William De Ros married Agatha De Clere, and had children including Alice Derus, William Deros. Sir William De Ros passed away in 1253 in Stinton, Aylsham, Norfolk, England.

Find more search results for Sir Ros
SR

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

  • In 1219, Sir William De Ros entered the world in Burgh By Sand, Cumberland, England, born to William I Sir Knight Deros And Lady Lucy Baroness Fitzpiers.
  • Sir William De Ros married Agatha De Clere, and had children including Alice Derus, William Deros.
  • Sir William De Ros passed away in 1253 in Stinton, Aylsham, Norfolk, England.

Immediate Family

Parents

William Deros
1192–1274
Birth Location: Helmsley, Yorkshire, England
WD
Lady Fitzpiers
1205–1266
Birth Location: Forest Dean, Gloucestershire, England
LF

Spouses(s)

Agatha Clere
1224–1261
Birth Location: Clare, Suffolk, England
AC

Children(s)

Alice Derus
1245–1300
Birth Location: Burgh By Sands, Cumberland, England
AD
William Deros
1244–1310
Birth Location: Deighton, Yorkshire, England
WD

Sir Ros's Ancestors

Self
Sir Ros
1219–1253
Birth Place: Burgh By Sand, Cumberland, England
Parents
William I Sir Knight Deros
1192–1274
Helmsley, Yorkshire, England
Lady (Lucy Baroness) Fitzpiers
1205–1266
Forest Dean, Gloucestershire, England
Grandparents
Great-Grandparents
2nd-Great-Grandparents

Sir Ros's Descendants

1.
SR
Sir (William De) Ros (1219–1253) m. Agatha (De) Clere (1224–27 Dec 1261)
  1. 1. Alice Derus 1245–1300 m. Sir (Richard De) Braose 1232–1292 m. Richard Longespee 1214–1261
    1. 1. Mary (De) Braose 1267–1312
    2. 2. Richard (De) Braose 1265–
    3. 3. Sybil (De) Braose 1282–1334
    4. 4. Sir (Giles De) Braose 1270–1310
    5. 5. Margery (De) Braose 1262–1335
    6. 6. Margaret (De) Braose 1265–
    7. 7. Sir (Richard De) Braose 1280–1361 m. Lady (Alianore De) Shelton 1282–1331
      1. 1. Lady (Eleanor De Braose Baroness of) Glanville 1300–1376 m. Sir (Gilbert De Glanville III Baron of Glanville of) Antley 1280–1340
        1. 1. Lady (Alienor) Deglanville 1325–1376 m. Sir (John De) Wingfield 1323–1358
  2. 2. William Deros 1244–1310

Sir Ros's Timeline

3 Records

1219
1219
Birth of Sir William De Ros in Deighton, Yorkshire, England
Deighton, Yorkshire, England
1219
1219
Birth of Sir William De Ros in Burgh By Sand, Cumberland, England
Burgh By Sand, Cumberland, England
1253
1253
Age 34
Death of Sir William De Ros in Stinton, Aylsham, Norfolk, England
Stinton, Aylsham, Norfolk, England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1219
    Event Place: Deighton, Yorkshire, England

    Genealogy Event 2
    Event Type: Birth
    Event Date: 1219
    Event Place: Burgh By Sand, Cumberland, England

    Genealogy Event 3
    Event Type: Death
    Event Date: 1253
    Event Place: Stinton, Aylsham, Norfolk, England
Find more search results for Sir Ros

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