YourRoots by Genomelink
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 FitzWilliam 1250 – 1338 – Genealogical Records

Birth Date: Abt. 1250

Birth Location: England

Death Date: Aft. 4 Mar 1338

Death Location: England

Father: William FitzThomas

Mother: Agnes (FitzThomas)

Spouse(s): Maud (FitzWilliam), Isabel (FitzWilliam)

Children(s): William FitzWilliam, Joan Thornhill), Thomas FitzWilliam, Margaret (Pierrepont), Isabel FitzWilliam, Agnes Newmarch), Elizabeth FitzWilliam

In 1250, Sir William FitzWilliam * entered the world in England, born to William FitzThomas and Agnes Metham (FitzThomas). Sir William FitzWilliam * married Maud ? (FitzWilliam), Isabel Deincourt (FitzWilliam), and had children including William FitzWilliam, Joan FitzWilliam (de Thornhill), Thomas FitzWilliam, Margaret FitzWilliam (Pierrepont), Isabel FitzWilliam, Agnes FitzWilliam (de Newmarch), Elizabeth FitzWilliam. Sir William FitzWilliam * passed away in 1338 in England.

Find more search results for Sir FitzWilliam
SF

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:
C
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 1250, Sir William FitzWilliam * entered the world in England, born to William FitzThomas and Agnes Metham (FitzThomas).
  • Sir William FitzWilliam * married Maud ? (FitzWilliam), Isabel Deincourt (FitzWilliam), and had children including William FitzWilliam, Joan FitzWilliam (de Thornhill), Thomas FitzWilliam, Margaret FitzWilliam (Pierrepont), Isabel FitzWilliam, Agnes FitzWilliam (de Newmarch), Elizabeth FitzWilliam.
  • Sir William FitzWilliam * passed away in 1338 in England.

Immediate Family

Parents

Spouses(s)

Children(s)

Sir FitzWilliam's Ancestors

Self
Sir FitzWilliam
1250 – 1338
Birth Place: England
Parents
William FitzThomas
1228 – 1302
England
Agnes (Metham) (FitzThomas)
1217 – 1250
England
Grandparents
Thomas FitzWilliam
1200 – 1266
Yorkshire, England
Agnes (Bertram) (FitzThomas)
1202 –
Northumberland, England
Great-Grandparents
William FitzWilliam
1170 – 1224
Adela\Ela (FitzWilliam)
1165 – 1240
2nd-Great-Grandparents
William FitzGodric
1140 – 1184
Aubrey Clairfait)(FitzGodric)
1130 – 1200
Hamelin Warenne
1130 – 1202
Isabel Mortain)
1130 – 1203

Sir FitzWilliam's Descendants

1.
SF
Sir (William) FitzWilliam (Abt. 1250 – Aft. 4 Mar 1338) m. Maud (?) (FitzWilliam) (Abt. 1258 – Abt. 1295) m. Isabel (Deincourt) (FitzWilliam) (Abt. 1275 – Abt. 1325)
  1. 1. William FitzWilliam (1297 – 22 Mar 1322)
  2. 2. Joan (FitzWilliam (de) Thornhill) (Abt. 1299 – 22 Feb 1384) m. Sir (Brian de) Thornhill (Abt. 1295 – )
    1. 1. Elizabeth (Thornhill\de Thornhill (de) Musters) (Unknown – 1350) m. Henry (de) Musters (Abt. 1315 – Abt. 1367)
      1. 1. Lady (Elizabeth Musters (Mowbray)() Wandesforde) (Abt. 1345 – Abt. 1396) m. Alexander (de) Mowbray (1340 – 1370) m. John Wandesford (Unknown – 1396)
        1. 1. Elizabeth (Mowbray) (Gascoigne) (Abt. 1340 – 1391) m. Sir (William) Gascoigne (Abt. 1335 – 7 Dec 1419)
        2. 2. Alexander Mowbray (Abt. 1365 – )
      2. 2. Johanna (de Musters) (Sutton) (Aft. 1349 – Aft. 1369)
    2. 2. Simon (Thornhill\de) Thornhill (Abt. 1330 – )
  3. 3. Thomas FitzWilliam (Abt. 1300 – 1345)
  4. 4. Margaret (FitzWilliam) (Pierrepont) (Abt. 1302 – )
  5. 5. Isabel FitzWilliam (1306 – )
  6. 6. Agnes (FitzWilliam (de) Newmarch) (Abt. 1308 – Abt. 1348)
  7. 7. Elizabeth FitzWilliam (1314 – Abt. 1400)

Sir FitzWilliam's Timeline

2 Records

1250
Abt. 1250
Birth of Sir William FitzWilliam * in England
England
1338
Aft. 4 Mar 1338
Age 88
Death of Sir William FitzWilliam * in England
England

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: Abt. 1250
    Event Place: England

    Genealogy Event 2
    Event Type: Death
    Event Date: Aft. 4 Mar 1338
    Event Place: 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