Ide de Hainault Abt 1085 - Aft 1101 (b. 1085) Parents Ida of Louvain Baldwin II, Count of Hainaut Children Beatrix de Coucy Siblings Alix|Aleidis de Hainault Baldwin III, Count of Hainaut Arnoul de Hainault Richilde de Hainaut Partners Thomas, Lord of Coucy