Jeanne de Brienne-Ramerupt Peerage person ID=120016 (d. 1270) Parents Erard of Brienne-Ramerupt Philippa of Champagne Hélisende de Rethel Children Jeanne Catherine de Montmorency Erard de Montmorency, Seigneur de Conflans-Sainte-Honorine Mathieu IV de Montmorency Siblings Marie of Brienne-Ramerupt Heloise of Brienne-Ramerupt Sibylle of Brienne-Ramerupt Alix de Brienne-Ramerupt Érard II of Brienne-Ramerupt Henri de Brienne, Sire de Ramerupt Marguerite of Brienne-Ramerupt Isabeau of Brienne-Ramerupt Partners Mathieu III de Montmorency