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Elizabeth Mortimer 1371–1417

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 14 independent trees
Birth year and location consistent across 14 trees
Death year and location consistent across 14 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

14 researchers on YourRoots have Elizabeth Mortimer in their family trees — each with their own records and documentation. Trace the migration path across 13 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 14 independent trees

Born 12 Feb 1371 · Usk, , Monmouthshire, England
Died 20 Apr 1417 · Kings Stanley, Gloucestershire, , England
Father Edmund DeMortimer (1352–1381)
Mother Philippa Plantagenet (1355–1378)
Spouse Henry Percy (1392–1455)
Children Henry Percy
Siblings Edmund Mortimer, Phillipa Mortimer

Researchers connected through Elizabeth Mortimer 1371–1417

and 13 more tree owners connected with Elizabeth Mortimer 1371–1417

Biography

Elizabeth Mortimer was born in 1371 in Usk, Monmouthshire, England, the child of edmund demortimer and philippa plantagenet. Elizabeth Mortimer married henry percy, and had children including henry percy. Elizabeth Mortimer passed away in 1417 in Kings Stanley, Gloucestershire, England.

Sources

  1. 1
    Record Millennium File

  2. 2
    Marriage Records U.S. and International Marriage Records, 1560-1900

Life Timeline

1371
Birth of Elizabeth Mortimer in Usk, Monmouthshire, England
Birth
1417
Death of Elizabeth Mortimer in Kings Stanley, Gloucestershire, England
Death

Oldest Ancestor Line from Elizabeth Mortimer

This ancestor line traces from Soissons, Cote d'Or, Bourgogne, France (1004) to Usk, Monmouthshire, England (1371) across 13 generations.

Direct Lineage
generations

Frequently Asked Questions

Elizabeth Mortimer (1371–1417) was born in Usk, , Monmouthshire, England and died in Kings Stanley, Gloucestershire, , England. 14 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, 14 researchers on YourRoots have Elizabeth 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 13 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.

Elizabeth Mortimer's Ancestors

Pedigree chart — 3 generations on record

Self
Elizabeth Mortimer PTP
1371–1417
Usk, , Monmouthshire, England
Parents
Edmund DeMortimer PTP
1352–1381
Llyswen, Breconshire, , Wales
Philippa Plantagenet PTP
1355–1378
,Eltham,Kent,England
Grandparents
Unknown
Unknown
Lionel of Antwerp PTP
1338–1368
Antwerp,Brabant,Belgium,Netherlands
Unknown

Elizabeth Mortimer's Descendants

1.
EM
Elizabeth Mortimer PTP 1371–1417 m. Henry Percy PTP 1392–1455
  1. 1. Henry Percy PTP 1392–1455