- Born on May 20, 1767 in Les
- Deceased on July 29, 1826 in Saint-Gaudens, at the age of 59 years
Parents
- Olivier Cao de Benos de Les (1720 - 1780), marquis de Rosalmonte
- Marguerite de Laforgue (1740 - 1789)
Family
- Married on July 29, 1791, with Adélaïde de Chapuis (1770 - ), issuing
Melania (1798 - 1829)