Who was Jean LaGrange?

Jean LaGrange (1700–1760) was born in St Gervais Sur Couches, Saône-et-Loire, Bourgogne, France and died in Fort Toulouse, Alabama, United States. 4 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Jean?

Right now, 4 researchers on YourRoots have Jean in their trees. The ancestor migration map traces 6 generations of this lineage.

What records do they have for Jean?

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

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Use Compare Tree on an available researcher profile to compare overlapping people and records.

Jean Henri LaGrange 1700–1760

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.

C Reliability

Reliability Score: C

Basic — 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 Jean LaGrange in their family trees — each with their own records and documentation. Trace the migration path across 6 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: C — verified across 4 independent trees

Born 22 May 1700 · St Gervais Sur Couches, Saône-et-Loire, Bourgogne, France

Died 26 Jun 1760 · Fort Toulouse, Alabama, United States

Father Jean Lagrange Delagrange

Mother Marie Antoinette Blondeau

Spouse Marquerite Portorieux Porcieau Ardonceau

Children Jean Tulipe Lagrange

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Researchers connected through Jean LaGrange 1700–1760

and 3 more tree owners connected with Jean LaGrange 1700–1760

Immediate Family

Parents

Jean Lagrange Delagrange

Marie Antoinette Blondeau

Spouse(s)

Marquerite Portorieux Porcieau Ardonceau

Children

Jean Tulipe Lagrange

Biography

Jean Henri LaGrange was born in 1700 in St Gervais Sur Couches, Saône-et-Loire, Bourgogne, France, the child of jean lagrange delagrange and marie antoinette blondeau. Jean Henri LaGrange married marquerite portorieux porcieau ardonceau, and had children including jean tulipe lagrange. Jean Henri LaGrange passed away in 1760 in Fort Toulouse, Alabama, United States.

Sources

Life Timeline

1700

Birth of Jean Henri LaGrange in St Gervais Sur Couches, Saône-et-Loire, Bourgogne, France

Birth

1760

Death of Jean Henri LaGrange in Fort Toulouse, Alabama, United States

Death

Oldest Ancestor Line from Jean LaGrange

This ancestor line traces from Chairiere, Namur, Belgique (1570) to St Gervais Sur Couches, Saône-et-Loire, Bourgogne, France (1700) across 6 generations.

Direct Lineage

generations

Frequently Asked Questions

: Jean LaGrange (1700–1760) was born in St Gervais Sur Couches, Saône-et-Loire, Bourgogne, France and died in Fort Toulouse, Alabama, United States. 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 (C) based on cross-tree validation.
: Right now, 4 researchers on YourRoots have Jean 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 6 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.