- Born on August 2, 1691 in Brullemail
- Deceased on November 7, 1752 in Ferrières-la-Verrerie, at the age of 61 years
Parents
- Alexandre de Launay (1654 - ), écuyer, seigneur de Cochet
- Catherine Jacqueline Le Brun ( - 1729)
Family
- Married on July 30, 1737, with Marie Anne de Saint-Aignan (1707 - 1779), issuing
Marie-Jeanne (1746 - 1834)- Alexandre
- Jacques-Alexandre
- Louise-Françoise