François Antoine Henri de Béon du Massez
- Born circa 1777
- Deceased on December 18, 1820 in La Serpent, at the approximate age of 42 years
Parents
- Gabriel Guillaume de Béon du Massez (c. 1719 - 1777), marquis de Cazaux, brigadier des armées du Roi
- Marie-Madeleine de Lombard-Montauroux (1728 - )