Jean Paul Isidore de Castelnau
- Born on November 20, 1764 in Tarbes
Parents
- Guillaume de Castelnau (1726 - )
- Catherine du Barry (c. 1739 - 1767), fille
Family
- Married with Marie Anne Haacken (c. 1775 - ), issuing
- Paul Jean Marie (1803 - 1841)