Background
In 1306 she succeeded her father as Countess of Soissons.
In 1306 she succeeded her father as Countess of Soissons.
Margaret was married to John of Beaumont (1288–1356), son of John II, Count of Holland. Johanna of Hainault (1323–1350), married first with Louis II, Count of Blois,(three sons) and then with William I, Marquis of Namur, no issue. John, Canon of Cambrai.
William, Canon of Cambrai, Beauvais and Le Mans.
Amalrik, Canon of Cambrai, Dole and Tours. Reinout, Canon of Cambrai.