Mary of Lusignan, Countess of Brienne

Mary of Lusignan, was the wife of Count Walter IV of Brienne and Countess of Brienne from the time of her marriage in 1233 to her husband's death while Crusading in 1244. Mary's parents were King Hugh I of Cyprus and Alice of Champagne, making her a maternal granddaughter of Queen Isabella I of Jerusalem. Her two surviving sons were John, Count of Brienne, and Hugh of Brienne.