| Father | Jean LÉTOURNEAU (1687 - 1731) |
| Mother | Marguerite CARON (1688 - 1758) |
| Sibling | Marie Marguerite LÉTOURNEAU (1707 - 1761) |
| Sibling | Marie Françoise LESTOURNEAU (1709 - 1760) |
| Sibling | Anne LÉTOURNEAU (1711 - 1711) |
| Sibling | Geneviève LÉTOURNEAU (1712 - 1764) |
| Sibling | Marie Marthe LÉTOURNEAU (1715 - 1761) |
| Sibling | Pierre LÉTOURNEAU (1717 - ) |
| Sibling | Jean LÉTOURNEAU (1719 - 1792) |
| Sibling | Angélique LÉTOURNEAU (1721 - 1800) |
| Sibling | Marie-Catherine LÉTOURNEAU (1723 - 1780) |
| Sibling | Joseph LÉTOURNEAU (1725 - ) |
| Sibling | Joseph LÉTOURNEAU (1726 - 1807) |
| Sibling | François LÉTOURNEAU (1728 - ) |