Yolande de Wassenberg (1090-1131) (1090–1131) Parents Clementia of Aquitaine Gerard I, Count of Guelders Sophia Children Baldwin IV, Count of Hainaut Richilde de Hainault Bertha van Oosterbant Gertrude de Hainaut Siblings Judith of Guelders William, Count of Luxembourg Henry III, Count of Luxembourg Ermesinde of Luxembourg, Countess of Namur Gerard II, Count of Guelders Matilda of Luxembourg Partners Baldwin III, Count of Hainaut Godfried II Heer van Oosterbant Vicomte de Valenciennes