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Isabel Marshall 1200–1240
What is a Public Tree Person?
A YourRoots Public Tree Person is a tree person based on aggregated data from family trees uploaded to the YourRoots network.
Our system scans the entire tree network and detects tree persons shared between multiple trees uploaded by different tree owners.
Using our proprietary algorithm and AI tools, we evaluate Public Tree Person matching based on name, birth date/location, death date/location, and parents/descendants matching.
We regularly update our database to produce more Public Tree Persons.
Birth Date: October 9, 1200
Birth Location: Pembrokeshire, Wales
Death Date: January 17, 1240
Death Location: Hertfordshire, England
Father: William Marshall
Mother:
In 1200, Isabel Marshall entered the world in Pembrokeshire, Wales, born to William Marshall And Isabel Fitzgilbert De Clare. Isabel Marshall married Gilbert Iii Magna Charta Baron De Clare, Richard Plantagenet, Robert De Mauteby, and had children including Agnes Rose De Clare, Avicia De Clare, Gilbert De Clare, Henry Plantagenet, John De Mauteby, Richard De Clare, William De Clare. Isabel Marshall passed away in 1240 in Hertfordshire, England.
Why This Is a Public Tree Person
This person was detected across multiple family trees uploaded by different tree owners in the YourRoots network. Using our proprietary algorithm and AI tools, we evaluate matching based on name, birth/death dates and locations, and parents/descendants matching.
Reliability Score
This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.
- A 3 criteria (Strong)
- B 2 criteria (Medium)
- C 1 criteria (Basic)
Verification checklist:
- Record available
- Descendant's record available
- Star tree owner
Immediate Family
Parents
Spouse(s)
Children
Biography
Early Life
In 1200, Isabel Marshall entered the world in Pembrokeshire, Wales, born to William Marshall And Isabel Fitzgilbert De Clare.
Family
Isabel Marshall married Gilbert Iii Magna Charta Baron De Clare, Richard Plantagenet, Robert De Mauteby, and had children including Agnes Rose De Clare, Avicia De Clare, Gilbert De Clare, Henry Plantagenet, John De Mauteby, Richard De Clare, William De Clare.
Later Years
Isabel Marshall passed away in 1240 in Hertfordshire, England.
Sources
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1
Record Millennium File
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2
Family Tree Ancestry Family Trees (Online publication - Provo, UT, USA: Ancestry.com. Original data: Family Tree files submitted by Ancestry members.)
Life Timeline
Related Records
Found in 14 Family Trees
Each researcher's tree may show different family connections for this ancestor.