John III, Count of Soissons
John III, son of John II, Count of Soissons, and Marie de Chimay. Count of Soissons and Seigneur of Chimay. John inherited the countship of Soissons upon his father’s death in 1272.
John married Marguerite de Montfort, daughter of Amaury, Count of Montfort, and his wife Beatrix de Viennois. John and Marguerite had:
- Marie de Nesle, married to Guy de Saint-Rémy
- John IV, Count of Soissons
- Daughter, name unknown, married Eustache IV de Conflans, Seigneur de Mareuil, son of Eustache III de Conflans
- Raoul de Nesle
- Auchier de Nesle
- Hugh de Nesle, d.1306