Walter IV. von Châtillon Peerage person ID=709075 (1250–1261) Parents Mary, Countess of Blois Hugh I, Count of Blois Children Marie de Châtillon, Dame de Crécy Gaucher V de Châtillon Siblings Guy III, Count of Saint-Pol John I, Count of Blois Partners Isabeau de Villehardouin, Dame de Lézinnes