Nielsen Hayden genealogy
Family: Jean de Brienne / Jeanne de Châteaudun (F10537)
m. 1251-
Father | Male
Jean de Brienne
Born Died 8 Jan 1296 Buried Maubuisson Abbey near Pontoise, near Paris, France 
Married 1251 [1, 2] Father Jeane de Brienne, King of Jerusalem; Latin Emperor of Constantinople | F10538 Group Sheet Mother Bérenguère of Castile-León | F10538 Group Sheet
Mother | Female
Jeanne de Châteaudun
Born Died Abt 1254 Buried Maubuisson Abbey near Pontoise, near Paris, France 
Father Geoffroi VI de Châteaudun | F10557 Group Sheet Mother Clémence des Roches | F10557 Group Sheet
Child 1 | Female
+ Blanche de Brienne
Born Died Buried Spouse Guillaume de Fiennes | F10536 Married Between 18 Jan 1266 and Feb 1267
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