Clementia of Aquitaine Countess consort of Luxembourg (1048–1142) Parents Ermesinde William VII, Duke of Aquitaine Children Judith of Guelders Henry III, Count of Luxembourg William, Count of Luxembourg Ermesinde of Luxembourg, Countess of Namur Yolande de Wassenberg Matilda of Luxembourg Gerard II, Count of Guelders Siblings Agnes of Aquitaine, Countess of Savoy Partners Conrad I, Count of Luxembourg Gerard I, Count of Guelders