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Roger De Mortimer 1374–1398

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 9 independent trees
Birth year and location consistent across 9 trees
Death year and location consistent across 9 trees

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

A Reliability
A
Reliability Score: A
Strong — 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

9 researchers on YourRoots have Roger 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: September 17, 2026 · Reliability: A — verified across 9 independent trees, with linked records

Born 11 Apr 1374 · Usk, Co (Herford) Gb
Died 20 Jul 1398 · Kells, Ireland
Father
Mother Philippa Plantagenet (1355–1381)
Spouse
Children ,
Siblings , , ,
Records
Netherlands, GenealogieOnline Trees Index UK and Ireland, Find a … Ancestral File (R) GEDCOM File : The Medders … The Church of Jesus Christ …

Researchers connected through Roger Mortimer 1374–1398

and 8 more tree owners connected with Roger Mortimer 1374–1398

Immediate Family

Parents
Philippa Plantagenet
1355–1381
Spouse(s)
Children

Biography

Roger De Mortimer was born in 1374 in Usk, Co (Herford) Gb, the child of edmund mortimer and philippa plantagenet. Roger De Mortimer married eleanor holand, and had children including anne de mortimer, edmund mortimer. Roger De Mortimer passed away in 1398 in Kells, Ireland.

Sources

  1. 1
    Record Netherlands, GenealogieOnline Trees Index

  2. 2
    Burial Records UK and Ireland, Find a Grave Index

  3. 3
    Record Ancestral File (R)

  4. 4
    Record GEDCOM File : The Medders Family.ged

  5. 5
    Record The Church of Jesus Christ of Latter-day Saints, Ancestral File (TM)

Life Timeline

1374
Birth of Roger De Mortimer in Usk, Co (Herford) Gb
Birth
1398
Death of Roger De Mortimer in Kells, Ireland
Death

Oldest Ancestor Line from Roger Mortimer

This ancestor line traces from Carignano, Turin, Italy (1065) to Usk, Monmouthshire, Wales (1374) across 13 generations.

Direct Lineage
generations

Frequently Asked Questions

Roger Mortimer (1374–1398) was born in Usk, Co (Herford) Gb and died in Kells, Ireland. 9 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 (A) based on cross-tree validation.
Right now, 9 researchers on YourRoots have Roger 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.

Related Records

Philippa Plantagenet
1355–1381 · Mother

Roger Mortimer's Ancestors

Pedigree chart — 3 generations on record

Self
Roger De Mortimer PTP
1374–1398
Usk, Co (Herford) Gb
Parents
Unknown
Philippa Plantagenet PTP
1355–1381
Elham, Kent, England
Grandparents
Unknown
Unknown
Unknown
Unknown

Roger Mortimer's Descendants

1.
RM
Roger De Mortimer PTP 1374–1398