- Born on October 9, 1723 in Paris
- Deceased on May 5, 1794, at the age of 70 years
Parents
- Georges Mareschal (1685 - 1747), chevalier, seigneur de Bièvres, maître d'hôtel ordinaire du Roi, gentilhomme ordinaire de la Chambre du Roi
- Anne Antoinette Blanchet (1692 - 1747)
Family
- Married in 1753, with Marie Henriette Leleu (1735 - 1766), issuing
- Pierre François (1757 - 1837)
- Married on June 8, 1786, with Marie Darlus du Brosset, without issue.