- Born on September 25, 1724 in Agen
- Deceased after June 20, 1772
Parents
- Charles de Malvin de Montazet, alias le Marquis de Quissac (1666 - 1731), chevalier, baron de Quissac, mousquetaire du Roi dans la seconde compagnie
- Jeanne Françoise de Fontanges (c. 1683 - 1747)
Occupations
- lieutenant de vaisseau