| Name | Relationship with Margaret Plauche | Civil | Canon |
|---|
| Broussard, Louis | 5th great-grandfather | VII | 7 |
| Broussard, Maximillim | 4th great-grandfather | VI | 6 |
| Broussard, Urbain | 6th great-grandfather | VIII | 8 |
| Cable, Marie | 6th great-grandmother | VIII | 8 |
| Cable, Marie Magdeleine | 6th great-grandmother | VIII | 8 |
| Cappel, Charles | 4th great-grandfather | VI | 6 |
| Cappel, Clarisse | 2nd great-grandmother | IV | 4 |
| Cappel, Lrefray | 5th great-grandfather | VII | 7 |
| Cappel, Narcisse | 3rd great-grandfather | V | 5 |
| Catherine | 6th great-grandmother | VIII | 8 |
| Catherine | 4th great-grandmother | VI | 6 |
| Cellier, Marie | 7th great-grandmother | IX | 9 |
| Cellier, Marie | 6th great-grandmother | VIII | 8 |
| Chalin | 5th great-grandmother | VII | 7 |
| 6th great-grandmother | VIII | 8 |
| Chalin, Jacques | 6th great-grandfather | VIII | 8 |
| 7th great-grandfather | IX | 9 |
| Champagne, Marie | 6th great-grandmother | VIII | 8 |
| Charpain, Marie Anne | 6th great-grandmother | VIII | 8 |
| Chatelain, Marie Therese | 5th great-grandmother | VII | 7 |
| 6th great-grandmother | VIII | 8 |
| Chauvet, Andre | 6th great-grandfather | VIII | 8 |
| Chauvet, Jean (La Gerne) | 7th great-grandfather | IX | 9 |
| Chauvet, Marguerite | 5th great-grandmother | VII | 7 |
| Chauvet, Vincent | 8th great-grandfather | X | 10 |
| Chenevert, Clara | Great-grandmother | III | 3 |
| Half 1st cousin 4 times removed | VIII | 6 |
| Chenevert, Joseph | 4th great-grandfather | VI | 6 |
| Chenevert, Marcelin II | 2nd great-grandfather | IV | 4 |
| Husband of the half 3rd great-grandaunt | | |
| Chenevert, Marcellin | 3rd great-grandfather | V | 5 |
| Chenevert, Moise Morin | 6th great-grandfather | VIII | 8 |
| Chenevert, Nicolas | 5th great-grandfather | VII | 7 |
| Colson, Catherine | 6th great-grandmother | VIII | 8 |
| Cordier, Marie M | 6th great-grandmother | VIII | 8 |
| Courtney, Jonas | 4th great-grandfather | VI | 6 |
| Courtney, Sarah | 3rd great-grandmother | V | 5 |
| Couvillion, Adrien | 5th great-grandfather | VII | 7 |
| 6th great-grandfather | VIII | 8 |
| Couvillion, Celeste | Wife of the 4th great-grandfather | | |
| Wife of the half 4th great-granduncle | | |
| Couvillion, Celeste | 3rd great-grandmother | V | 5 |
| 4th great-grandmother | VI | 6 |
| Wife of the half 4th great-granduncle | | |
| Couvillion, Louis Amable | 4th great-grandfather | VI | 6 |
| 5th great-grandfather | VII | 7 |
| Cuniso | 6th great-grandmother | VIII | 8 |
| Curet, Anne | 6th great-grandmother | VIII | 8 |
| Curtis, Hannah | 5th great-grandmother | VII | 7 |
| Damien, Marianne | 6th great-grandmother | VIII | 8 |
