Margaret of Clermont politician (1104–1150) Parents Adelaide, Countess of Vermandois Renaud II, Count of Clermont Children Beatriu de Saint Pol Elisabeth, Dame d'Aveluy Laurette of Flanders Siblings Ralph I, Count of Vermandois Elizabeth of Vermandois, Countess of Leicester Raoul I de Clermont Simon van Clermont-Beauvais Agnes de Vermandois Constance de Vermandois Mathilde de Vermandois Mahaut de Clermont Partners Hugh III, Count of Saint-Pol Hugh II, Count of Saint-Pol Charles I, Count of Flanders Baudouin d'Encre Thierry of Lorraine, Count of Flanders