Who was Sir DeMowbray?

Sir DeMowbray (1366–1399) was born in Isle, Lincolnshire, , England and died in Venice, Venezia, Veneto, Italy. 3 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Sir?

Right now, 3 researchers on YourRoots have Sir in their trees. The ancestor migration map traces 12 generations of this lineage.

What records do they have for Sir?

Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

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Sir Thomas DeMowbray 1366–1399

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 3 independent trees

Birth year and location consistent across 3 trees

Death year and location consistent across 3 trees

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

B Reliability

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

3 researchers on YourRoots have Sir DeMowbray in their family trees — each with their own records and documentation. Trace the migration path across 12 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: July 22, 2026 · Reliability: B — verified across 3 independent trees

Born 22 Mar 1366 · Isle, Lincolnshire, , England

Died 22 Sep 1399 · Venice, Venezia, Veneto, Italy

Father John Demowbray

Mother Elizabeth Desegrave

Spouse Elizabeth Fitzalan

Children Elizabeth Mowbray, Isabel Mowbray, John Mowbray, Margaret Demowbray, Thomas Mowbray

Siblings Eleanor Mowbray, Joan Demowbray, John Mowbray, John Nottingham, Margaret Mowbray

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Researchers connected through Sir DeMowbray 1366–1399

and 2 more tree owners connected with Sir DeMowbray 1366–1399

Immediate Family

Parents

Spouse(s)

Children

Biography

In 1366, Sir Thomas DeMowbray entered the world in Isle, Lincolnshire, England, born to john demowbray and elizabeth desegrave. Sir Thomas DeMowbray married elizabeth fitzalan, and had children including elizabeth mowbray, isabel mowbray, john mowbray, margaret demowbray, thomas mowbray. Sir Thomas DeMowbray passed away in 1399 in Venice, Venezia, Veneto, Italy.

Sources

Life Timeline

1366

Birth of Sir Thomas DeMowbray in Isle, Lincolnshire, England

Birth

1399

Death of Sir Thomas DeMowbray in Venice, Venezia, Veneto, Italy

Death

Oldest Ancestor Line from Sir DeMowbray

This ancestor line traces from Normandy, , , France (1000) to Isle, Lincolnshire, , England (1366) across 12 generations.

Direct Lineage

generations

Frequently Asked Questions

: Sir DeMowbray (1366–1399) was born in Isle, Lincolnshire, , England and died in Venice, Venezia, Veneto, Italy. 3 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, 3 researchers on YourRoots have Sir 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 12 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.