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Right now, 3 researchers on YourRoots have Guillaume in their trees. The ancestor migration map traces 20 generations of this lineage.

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Guillaume (William James) Jacques Langlois 1683–1722

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.

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

3 researchers on YourRoots have Guillaume Langlois in their family trees — each with their own records and documentation. Trace the migration path across 20 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 3 independent trees

Born 1 Nov 1683 · Dorchester, Dorset, England

Died 2 Sep 1722 · St. Leonard, Riviere des Prairie, Montréal, Québec, Canada

Father Nicholas James

Mother Christine North

Spouse Catherine Limousin

Children Marie Catherine James Sansoucy

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Researchers connected through Guillaume Langlois 1683–1722

and 2 more tree owners connected with Guillaume Langlois 1683–1722

Immediate Family

Parents

Nicholas James

Christine North

Spouse(s)

Catherine Limousin

Children

Marie Catherine James Sansoucy

Biography

In 1683, Guillaume (William James) Jacques Langlois entered the world in Dorchester, Dorset, England, born to nicholas james and christine north. Guillaume (William James) Jacques Langlois married catherine limousin, and had children including marie catherine james sansoucy. Guillaume (William James) Jacques Langlois passed away in 1722 in St. Leonard, Riviere des Prairie, Montréal, Québec, Canada.

Sources

Life Timeline

1683

Birth of Guillaume (William James) Jacques Langlois in Dorchester, Dorset, England

Birth

1722

Death of Guillaume (William James) Jacques Langlois in St. Leonard, Riviere des Prairie, Montréal, Québec, Canada

Death

Oldest Ancestor Line from Guillaume Langlois

This ancestor line traces from Castilla-Leon, Spain (1000) to Dorchester, Dorset, England (1683) across 20 generations.

Direct Lineage

generations

Frequently Asked Questions

: Guillaume Langlois (1683–1722) was born in Dorchester, Dorset, England and died in St. Leonard, Riviere des Prairie, Montréal, Québec, Canada. 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 (C) based on cross-tree validation.
: Right now, 3 researchers on YourRoots have Guillaume 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 20 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.