Pierre-François Desmaretz de Beaurains
- Born in 1757
- Deceased in 1861, at the approximate age of 103 years
Parents
- Armand-Emmanuel Desmaretz de Beaurains (1724 - 1815), chevalier, seigneur de Beaurains-lès-Noyon, chef de brigade du corps royal d'artillerie
- Claude-Félicité de Richoufftz (c. 1730 - 1807)