Alix Marie de Coucy, Dame de Coucy (1225-1260) (1225–1260) Parents Enguerrand III, Lord of Coucy Marie de Montmirail Children Enguerrand V de Coucy Baldwin IV, Count of Guînes Siblings Marie de Coucy Raoul II, Lord of Coucy Enguerrand IV, Lord of Coucy Jeanne de Coucy Partners Arnold III, Count of Guînes