John, Count of Saint-Pol Count of Saint-Pol (d. 1344) Parents Marie of Brittany, Countess of Saint-Pol Guy IV, Count of Saint-Pol Children Mahaut de Châtillon Guy V, Count of Saint-Pol Siblings Marie de St Pol Mahaut of Châtillon Isabeau de Châtillon Eléonore de Châtillon Béatrix de Châtillon Jeanne de Châtillon Partners Jeanne de Fiennes