- Born on June 6, 1746 in Bourg-Blanc, at manoir du Breignou
- Killed on July 23, 1795 in Quiberon, at the age of 49 years
Parents
- Joseph Thépault du Breignou, alias le Comte du Breignou (1693 - 1764), chevalier, seigneur du Breignou
- Anne de Talhouët (1713 - )
Family
- Married in 1778, with Henriette Baude (1751 - ), issuing
- Jean Georges (1777 - )
Reine Joséphine (1778 - )- Marie (1780 - 1854)
- Pierre François (1783 - )
- Luce Charlotte Renée (1785 - 1870)
- François-Henri (1791 - )