Ancestry of
John Langdon
Signer of the U.S. Constitution
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- 20th Great-grandfather of John Langdon — 23rd Generation
- Ahnentafel No:
- 6929006
- Father:
- Geoffrey of Boulogne
- Mother:
- Beatrice de Mandeville
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- Children:
Rohese of Boulogne (Ahnentafel No:3464503 )
Pharamus of Boulogne
William of Boulogne
View famous kin of William of Boulogne
Scroll down to see sources.
Sources for William of Boulogne
- 1 Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. IV, p. 10.