Agnes of Hainaut (1152-1173) (1152–1173) Parents Alice of Namur Baldwin IV, Count of Hainaut Children Yolande de Coucy Isabeau de Coucy Ade de Coucy Siblings Yolande of Hainaut Baldwin V, Count of Hainaut Laurence de Hainaut Godefroi de Hainaut, comte d'Ostrevant Henri de Hainault Partners Ralph I, Lord of Coucy