| Father | Louis PETIT (1689 - 1739) |
| Mother | Marie Anne MEUNIER (1695 - 1783) |
| Sibling | Marie Josephte PETIT (1727 - 1812) |
| Sibling | Marie Louise PETIT (1712 - 1784) |
| Sibling | Madeleine LAPRÉ PETIT (1714 - ) |
| Sibling | Marie Anne PETIT (1716 - 1794) |
| Sibling | Marie Charlotte PETIT (1719 - 1726) |
| Sibling | Louis PETIT (1722 - 1724) |
| Sibling | Louis PETIT (1724 - 1788) |
| Sibling | Joseph PETIT (1726 - ) |
| Sibling | Marie Charlotte PETIT (1730 - 1730) |
| Sibling | Judit PETIT ( - ) |
| Sibling | Marie PETIT (1733 - 1733) |
| Sibling | Marie Charlotte PETIT (1734 - 1771) |
| Sibling | Marie Anne Angélique Louise PETIT (1736 - 1808) |
| Sibling | Joseph PETIT (1736 - ) |
| Sibling | Marie Josephe PETIT (1737 - ) |
| Sibling | Marie Cécile PETIT (1737 - 1771) |
| Sibling | Catherine Claude PETIT ( - 1739) |