Nielsen Hayden genealogy
Family: Jean I of Ponthieu / Beatrice Campdavaine (F2266)
m. Bef 4 Dec 1170-
Male
Jean I of Ponthieu
Birth Abt 1140 Death 30 Jun 1191 Acre, Palestine 
Burial Marriage Bef 4 Dec 1170 [1] Father Guy II of Ponthieu | F5867 Group Sheet Mother Ida | F5867 Group Sheet
Female
Beatrice Campdavaine
Birth Abt 1160 of St. Pol, France Death Aft 1204 Burial Father Alselm Campdavaine | F5603 Group Sheet Mother Eustachie | F5603 Group Sheet
Male
+ William II Talvas
Birth Abt 1171 Death 4 Oct 1221 Burial Spouse Alix of France | F4827 Marriage 20 Aug 1195 Meudon, Hauts-de-Seine, France
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Sources - [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.