Baldwin III, Count of Hainaut Count of Hainaut (1088-1120) (1088–1120) Parents Baldwin II, Count of Hainaut Ida of Louvain Children Richilde de Hainault Gertrude de Hainaut Gerhard de Hainault Baldwin IV, Count of Hainaut Siblings Arnoul de Hainault Alix|Aleidis de Hainault Ide de Hainault Richilde de Hainaut Partners Yolande de Wassenberg