Nielsen Hayden genealogy
Family: Jean I de Brienne / Beatrix de Châtillon (F26310)
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Male
Jean I de Brienne
Birth Death 12 Jun 1294 Clermont-en-Beauvaisis, Beauvaisis, Île-de-France, France 
Burial Marriage Father Alfons de Brienne | F26311 Group Sheet Mother Marie de Lusignan | F26311 Group Sheet
Female
Beatrix de Châtillon
Birth Death 1304 St-Pol, France 
Burial Father Guy II de Châtillon | F17125 Group Sheet Mother Mahaut of Brabant | F17125 Group Sheet
Female
+ Isabelle de Brienne
Birth Death Bef 11 Nov 1307 Burial Spouse Jean II de Dampierre | F26309 Marriage