| Father | Jean Prejean (1651 - 1733) |
| Mother | Andrée Savoie (1667 - 1713) |
| Sibling | Marie Prejean (1684 - 1709) |
| Sibling | Jean Pierre Prejean (1689 - 1690) |
| Sibling | Pierre Prejean (1690 - 1727) |
| Sibling | Jean Baptiste Prejean (1691 - ) |
| Sibling | Francois Prejean (1693 - ) |
| Sibling | Joseph Christophe Prejean (1696 - ) |
| Sibling | Madeleine Prejean (1698 - ) |
| Sibling | Marie Josephe Prejean (1702 - 1731) |
| Sibling | Nicolas Prejean (1704 - ) |
| Sibling | Charles Prejean (1706 - 1744) |
| Sibling | Pierre Prejean (1708 - 1768) |
| Sibling | Honore Prejean (1711 - 1758) |
