| Father | Michel Count De St . Lo GERBERT DIT LAFONTAINE (1543 - 1590) |
| Mother | Countess Esther DEGRAU DELAFOUNTAINE (1540 - 1590) |
| Sibling | Jaques LA FONTAINE (1574 - 1681) |
| Sibling | Marie Jeanne MARCHAND (1562 - 1616) |
| Sibling | Pierre DE LA FOUNTAINE (1566 - 1618) |
| Sibling | Nicolas DE LA FONTAINE (1568 - 1626) |
| Sibling | Arthus DE LA FONTAINE (1573 - 1594) |
| Sibling | Guillaume DE LA FONTAINE (1575 - 1615) |
| Sibling | Jean LAFONTAINE (1580 - 1630) |
| Sibling | Sirol DE LA FONTAINE (1580 - ) |
| Sibling | Jeanne DE LA FONTAINE (1588 - 1630) |
| Sibling | Rene DE LA FONTAINE (1588 - 1588) |
| Sibling | Pierre DE LA FOUNTAINE (1590 - 1610) |
| Sibling | Jean DE LA FONTAINE (1592 - 1593) |