Jean de Foucault
- Born on April 26, 1727 in Beaulieu-en-Argonne
Parents
- Louis de Foucault (1696 - 1734), écuyer
- Jeanne du Houx ( - 1741)
Family
- Married on January 13, 1756 in Aubréville, with Marie Louise de Brossard (1731 - 1773)
- Married on August 4, 1773, with Marguerite Maucuries (1726 - )