She was the daughter of Henry II, Count of Eu, and Matilda,[1] daughter of Hamelin de Warenne, Earl of Surrey, and Isabel de Warenne.
Alix inherited Eu and Hastings upon her father's death in 1191 as her older brothers had both died prematurely.
[2] By 1191, Alix was married to Raoul I of Lusignan, Lord of Exoudun (died 1219),[1] who became (through marriage with Alix: de jure uxoris) Count of Eu and Lord of Hastings.
Alix and Raoul had several children, including: Her husband died in 1219, and Alix traveled to England, apparently under some arrangement with Hubert de Burgh, 1st Earl of Kent, Justicar of England.
In a charter dated February 1233, Alix granted terram de Forz...ex eschæta Guillelmi quondam domini de Forz et comitis Aubemarle to Louis IX, King of France.