Jean Ier D'AVESNES 1218–1257
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
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- A 3 criteria (Strong)
- B 2 criteria (Medium)
- C 1 criteria (Basic)
- Record available
- Descendant's record available
- Star tree owner
2 researchers on YourRoots have Jean D'AVESNES in their family trees — each with their own records and documentation. Trace the migration path across 2 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 2 independent trees, with linked records
Researchers connected through Jean D'AVESNES 1218–1257
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and 1 more tree owner connected with Jean D'AVESNES 1218–1257
Immediate Family
Biography
In 1218, Jean Ier D'AVESNES entered the world in Houffalize, Luxembourg, Belgium, born to bouchard d avesnes and marguerite ii de flandre. Jean Ier D'AVESNES married aleid van holland, and had children including baudouin d avesnes, bouchard d avesnes, floris d avesnes, guillaume d avesnes, guy d avesnes, jean d avesnes, jeanne d avesnes. Jean Ier D'AVESNES passed away in 1257 in Abdij van Rijnsburg, Holland, Netherlands.
Sources
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1Record "FamilySearch Family Tree," database, <i>FamilySearch</i>
Life Timeline
Oldest Ancestor Line from Jean D'AVESNES
This ancestor line traces from Oisy, Aisne, Picardie, France (1182) to Houffalize, Luxembourg, Belgium (1218) across 2 generations.
Frequently Asked Questions
- Jean D'AVESNES (1218–1257) was born in Houffalize, Luxembourg, Belgium and died in Abdij van Rijnsburg, Holland, Netherlands. 2 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, 2 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 2 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
Jean D'AVESNES's Ancestors
Pedigree chart — 3 generations on record