Mahaut of Châtillon Countess by marriage of Anjou, Maine, Valois, Alençon and Chartres (1293–1358) Parents Marie of Brittany, Countess of Saint-Pol Guy IV, Count of Saint-Pol Children Isabella of Valois, Duchess of Bourbon Blanche of Valois Marie of Valois, Duchess of Calabria Louis of Valois Siblings John, Count of Saint-Pol Marie de St Pol Isabeau de Châtillon Eléonore de Châtillon Béatrix de Châtillon Jeanne de Châtillon Partners Charles of Valois
