| Father | David Letourneau (1642 - 1709) |
| Sibling | Marie Catherine Letourneau (1679 - 1761) |
| Sibling | Bernard Armand Letourneau (1673 - 1750) |
| Sibling | Jacques Letourneau (1667 - 1740) |
| Sibling | Joachim Letourneau (1680 - ) |
| Sibling | Elisabeth Isabelle Letourneau (1671 - 1715) |
| Sibling | Joseph Letourneau (1687 - 1687) |
| Sibling | Louis Létourneau ( - 1743) |
| Sibling | Marie Anne Francoise Letourneau (1665 - 1687) |
| Sibling | Madeleine Letourneau (1677 - 1683) |
| Sibling | Marguerite Letourneau (1675 - 1721) |
| Sibling | Francoise Letourneau (1667 - 1693) |
| Sibling | Thérèse Létourneau (1685 - 1710) |
| Sibling | Marie Louise Létourneau (1681 - 1752) |
| Sibling | David Letourneau ( - ) |