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Isabella Countess of Pembrok, Hereford and Cornwall Marshal 1200–1240

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 4 independent trees
Birth year and location consistent across 4 trees
Death year and location consistent across 4 trees

Compare a Public Tree Person with your own tree using Compare Tree.

B Reliability
B
Reliability Score: B
Medium — based on the source tree
Grade scale
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
Verification checklist
  • Record available
  • Descendant's record available
  • Star tree owner

4 researchers on YourRoots have Isabella Marshal in their family trees — each with their own records and documentation. Trace the migration path across 2 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: August 25, 2026 · Reliability: B — verified across 4 independent trees

Born 9 Oct 1200 · Pembroke Castle, Pembrokeshire, Wales
Died 17 Jan 1240 · Berkhamsted Castle, Hertfordshire, England
Father Sir William Guillaume Le Marechal The Protector 1St Earl Marshall Of England 1St Earl Of Pembroke Marshal
Mother Isabel Fitzgilbert Countess Strigoil Heiress Clare
Siblings Alice Lemareshall, Anselm 6Th Earl Pembroke Marshal, Anselm Marshall Th Earl Pembroke, Eva Mareschal, Eve Marshal, Gilbert 4Th Earl Of Pembroke Marshal, Gilbert Th Earl Pembroke Marshal, Isabel Countess Hertford Countess Of Marshal, Joane Marshall, Margaret Maud Countess Of Surrey And Norfolk Marshal, Richard Marshall, Sibyl Marshall, Sibyl Of Pembroke Marshal, Walter Earl Pembroke Marshall, William The Younger 2Nd Earl Pembroke Marshal, William The Younger Th Earl Of Marshal
Records
Millennium File OneWorldTree Web: Netherlands, GenealogieOnline Trees Index, …
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Researchers connected through Isabella Marshal 1200–1240

and 3 more tree owners connected with Isabella Marshal 1200–1240

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

In 1200, Isabella Countess of Pembrok, Hereford and Cornwall Marshal entered the world in Pembroke Castle, Pembrokeshire, Wales, born to sir william guillaume le marechal the protector 1st earl marshall of england 1st earl of pembroke marshal and isabel fitzgilbert countess strigoil heiress clare. Isabella Countess of Pembrok, Hereford and Cornwall Marshal passed away in 1240 in Berkhamsted Castle, Hertfordshire, England.

Sources

  1. 1
    Record Millennium File

  2. 2
    Record OneWorldTree

  3. 3
    Record Web: Netherlands, GenealogieOnline Trees Index, 1000-Current

Life Timeline

1200
Birth of Isabella Countess of Pembrok, Hereford and Cornwall Marshal in Pembroke Castle, Pembrokeshire, Wales
Birth
1240
Death of Isabella Countess of Pembrok, Hereford and Cornwall Marshal in Berkhamsted Castle, Hertfordshire, England
Death

Oldest Ancestor Line from Isabella Marshal

This ancestor line traces from Pembroke Castle, Pembrokeshire, Wales (1146) to Pembroke Castle, Pembrokeshire, Wales (1200) across 2 generations.

Direct Lineage
generations

Frequently Asked Questions

Isabella Marshal (1200–1240) was born in Pembroke Castle, Pembrokeshire, Wales and died in Berkhamsted Castle, Hertfordshire, England. 4 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (B) based on cross-tree validation.
Right now, 4 researchers on YourRoots have Isabella in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 2 generations of this lineage geographically.
It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.

Related Records

Sir William Guillaume Le Marechal The Protector 1St Earl Marshall Of England 1St Earl Of Pembroke Marshal
Father
Isabel Fitzgilbert Countess Strigoil Heiress Clare
Mother

Isabella Marshal's Ancestors

Pedigree chart — 3 generations on record

Self
Isabella Countess of Pembrok, Hereford and Cornwall Marshal PTP
1200–1240
Pembroke Castle, Pembrokeshire, Wales
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Isabella Marshal's Descendants