Parents
- Pierre Joûbert (c. 1626 - ), sieur du Collet, armateur à Pornic, capitaine de navire
- Jeanne Dousset
Family
- Married on November 23, 1706 in Nantes, with Anne Thiercelin (1685 - )
- Married on July 10, 1714 in Nantes, at ancienne église Saint-Nicolas, with Anne Cochon (1681 - ), dame de Maurepas, issuing
Léonard (1715 - 1783)
Occupations
- négociant