Marie, Countess of Eu
Marie of Lusignan or Marie I de Lusignan, was the only child of Raoul II of Lusignan and his second wife, Yolande de Dreux. She became Dame d'Exoudun, Countess of Eu on the death of her father in 1246.
She was married around 1245 to Alphonso of Brienne who became Count of Eu by this marriage.
Marie and Alphonso had at least two children: