Family:John I of Brienne, Count of Eu and Beatrice, daughter of Guy II of Châtillon (1)

Parents: Alphonso of Brienne and Marie of Lusignan, Countess d'Eu John I of Brienne, Count of Eu b. Abt 1250 d. 12 Jun 1294 Clermont-En-Beauvaisis, France	Parents: Guy III, Count of Saint-Pol and Matilda of Brabant Beatrice Chatillon b. Abt 1257 d. 1304 Saint Pol, France

m. Abt 1270

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Facts and Events

Marriage^? Abt 1270

Children

		Birth	Death
1.	John II of Brienne, Count of Eu		11 Jul 1402 Kortrijk, Utrecht, Netherlands
2.	Mathilde Brienne	Abt 1273	Aft 1348