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- Born on August 18, 1669 in La Force
- Deceased on July 24, 1712 in Denain, at the age of 42 years
Parents
- Armand de Belsunce (1638 - 1728), marquis de Castelmoron, grand sénéchal d'Agenais et de Condomais
- Anne de Caumont (1641 - 1722), demoiselle d'honneur de la Reine Marie-Thérèse d'Autriche