Jeanne Catherine de Montmorency Peerage person ID=708970 (d. 1295) Parents Mathieu III de Montmorency Jeanne de Brienne-Ramerupt Children Jeanne, Countess of Guînes Siblings Erard de Montmorency, Seigneur de Conflans-Sainte-Honorine Marsilie de Montmorency Mathieu IV de Montmorency Partners Baldwin IV, Count of Guînes