| Name | Relationship with Rose Pierce | Civil | Canon |
| Landry, Dina | 2nd great-grandmother | IV | 4 |
| Leblanc, Alphonse | 10th great-grandfather | XII | 12 |
| LeBlanc, Andre | 7th great-granduncle | XI | 10 |
| LeBlanc, Andrea | 1st cousin twice removed | VI | 4 |
| LeBlanc, Anna Marie | Great-grandaunt | V | 4 |
| LeBlanc, Anne | 6th great-grandaunt | X | 9 |
| LeBlanc, Antoine | 7th great-granduncle | XI | 10 |
| LeBlanc, Antoine | 6th great-grandaunt | X | 9 |
| LeBlanc, Antoinette Marie | Great-grandmother | III | 3 |
| LeBlanc, Antonine | Great-grandaunt | V | 4 |
| LeBlanc, Benoni | 3rd great-grandfather | V | 5 |
| LeBlanc, Bernard | 6th great-grandfather | VIII | 8 |
| LeBlanc, Catherine | 6th great-grandaunt | X | 9 |
| LeBlanc, Cecile | 6th great-grandaunt | X | 9 |
| LeBlanc, Daniel | 8th great-grandfather | X | 10 |
| LeBlanc, Ernestine | Great-grandaunt | V | 4 |
| LeBlanc, Etienne | 7th great-granduncle | XI | 10 |
| LeBlanc, Evelyn | Great-grandaunt | V | 4 |
| LeBlanc, Florent | 4th great-grandfather | VI | 6 |
| LeBlanc, Francois | 6th great-granduncle | X | 9 |
| LeBlanc, Gerald | 1st cousin twice removed | VI | 4 |
| LeBlanc, Gerard | Great-granduncle | V | 4 |
| LeBlanc, Gosselin B. | 2nd great-grandfather | IV | 4 |
| LeBlanc, Jacques | 7th great-grandfather | IX | 9 |
| LeBlanc, Jacques | 6th great-granduncle | X | 9 |
| LeBlanc, Jean | 6th great-granduncle | X | 9 |
| LeBlanc, Joseph | 5th great-grandfather | VII | 7 |
| LeBlanc, Juliette | Great-grandaunt | V | 4 |
| LeBlanc, Leona | Great-grandaunt | V | 4 |
| LeBlanc, Leonette | 1st cousin twice removed | VI | 4 |
| LeBlanc, Lionel | Great-granduncle | V | 4 |
| LeBlanc, Magdeline | 6th great-grandaunt | X | 9 |
| LeBlanc, Marcel | 1st cousin twice removed | VI | 4 |
| LeBlanc, Marguerite | 6th great-grandaunt | X | 9 |
| LeBlanc, Marie | 6th great-grandaunt | X | 9 |
| LeBlanc, Marie Francoise | 7th great-grandaunt | XI | 10 |
| LeBlanc, Marie Reine | Great-grandaunt | V | 4 |
| LeBlanc, Marie-Francoise | 6th great-grandaunt | X | 9 |
| Leblanc, Pierre | 11th great-grandfather | XIII | 13 |
| LeBlanc, Pierre | 7th great-granduncle | XI | 10 |
| LeBlanc, Pierre | 6th great-granduncle | X | 9 |
| LeBlanc, Pierre-Rene | 6th great-granduncle | X | 9 |
| LeBlanc, Rene | 9th great-grandfather | XI | 11 |
| LeBlanc, Rene | 7th great-granduncle | XI | 10 |
| LeBlanc, Rene | Great-granduncle | V | 4 |
| LeBlanc, Roland | 1st cousin twice removed | VI | 4 |
| LeBlanc, Romeo Alphonse | Great-granduncle | V | 4 |
| LeBlanc, Yvonne | Great-grandaunt | V | 4 |
| Lechasseur, Marie Angelique Dang | 7th great-grandmother | IX | 9 |
| LeClair, Alfred | Husband of the great-grandaunt | | |