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Isabel Marshal 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: Pembroke Castle, Wales
Death Date: January 17, 1240
Death Location: Berkhamsted Castle, Hertfordshire, England
Father:
Mother:
Isabel Marshal was born in 1200 in Pembroke Castle, Wales, the child of William Marshal 1St Earl Of Pembroke. Isabel Marshal married Gilbert De Clare 5Th Earl Of Gloucester, Richard 1St Earl Of Cornwall, and had children including Agnes De De Clare, Amice De Clare, Gilbert De Clare, Isabel De Clare, Isabella Of Cornwall, Isabella Of Gloucester And Hertford, John Of Cornwall, Nicholas Of Cornwall, Richard De Clare 6Th Earl Of Hertford, William De Clare. Isabel Marshal passed away in 1240 in Berkhamsted Castle, 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
No immediate family data available.
Biography
Early Life
Isabel Marshal was born in 1200 in Pembroke Castle, Wales, the child of William Marshal 1St Earl Of Pembroke.
Family
Isabel Marshal married Gilbert De Clare 5Th Earl Of Gloucester, Richard 1St Earl Of Cornwall, and had children including Agnes De De Clare, Amice De Clare, Gilbert De Clare, Isabel De Clare, Isabella Of Cornwall, Isabella Of Gloucester And Hertford, John Of Cornwall, Nicholas Of Cornwall, Richard De Clare 6Th Earl Of Hertford, William De Clare.
Later Years
Isabel Marshal passed away in 1240 in Berkhamsted Castle, Hertfordshire, England.
Sources
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1
Baptism Records Scotland, Select Births and Baptisms, 1564-1950
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2
Family Tree Ancestry Family Trees
Life Timeline
Related Records
Found in 8 Family Trees
Each researcher's tree may show different family connections for this ancestor.