| Name | Relationship with Guy Bienvenue | Civil | Canon |
|---|
| Laverdure, Marie-Françoise Mallard dit | Wife of the half 6th great-granduncle | | |
| Lavigne, Marie-Josephe Brodeur | Wife of the 2nd cousin 6 times removed | | |
| Lavoie, Anna | Wife of the half 5th cousin 3 times removed | | |
| Lebeau, Josepte | Wife of the half 3rd cousin 5 times removed | | |
| Leblanc, Paul | Husband of the half 7th cousin once removed | | |
| Leblond, Alain Henry | 5th cousin once removed | XIII | 7 |
| | 5th cousin once removed of the wife | | |
| Leblond, Edward Marc | 5th cousin once removed | XIII | 7 |
| | 5th cousin once removed of the wife | | |
| Leblond, Henri Edmour Joseph | 5th cousin | XII | 6 |
| | 5th cousin of the wife | | |
| Leblond, Joseph Alicias | Husband of the 4th cousin once removed | | |
| Leclaire, Joseph Leclerc | Husband of the 2nd cousin 3 times removed | | |
| Ledoux, Charlotte | Wife of the 2nd cousin 6 times removed | | |
| Ledoux, MArie-Louise | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Ledoux, Prudent | Husband of the 3rd cousin 4 times removed | | |
| Ledoux, Théotiste | Wife of the 2nd cousin 4 times removed | | |
| Leduc, Angèle | Wife of the 3rd cousin 4 times removed | | |
| Leduc, Aurore | Wife of the half 5th cousin 3 times removed | | |
| Leduc, Elisabeth | Wife of the 1st cousin 7 times removed | | |
| Leduc, François | Husband of the 2nd cousin 5 times removed | | |
| Leduc, Henry | Husband of the half 5th cousin 3 times removed | | |
| Leduc, Joseph | Husband of the 6th great-grandaunt | | |
| Leduc, Joseph | Husband of the half 5th cousin 3 times removed | | |
| Leduc, Marie | Wife of the 1st cousin 6 times removed | | |
| Leduc, Marie | Wife of the half 4th cousin 4 times removed | | |
| Leduc, Marie Anna | Wife of the half 6th cousin twice removed | | |
| Leduc, Marie-Angélique | Wife of the 2nd cousin 6 times removed | | |
| Leduc, Marie-Josephe | Wife of the 2nd cousin 6 times removed | | |
| Legault, Pierrette | Wife of the 5th cousin | | |
| Lemaire, Elisabeth | Wife of the half 3rd cousin 5 times removed | | |
| Lemay, Joseph Anselme | Husband of the 5th cousin twice removed | | |
| | Husband of the 7th cousin once removed | | |
| Lemay, Marguerite | 6th cousin once removed | XV | 8 |
| | 8th cousin | XVIII | 9 |
| | 6th cousin once removed of the wife | | |
| | 8th cousin of the wife | | |
| Lemay, Thérèse | 6th cousin once removed | XV | 8 |
| | 8th cousin | XVIII | 9 |
| | 6th cousin once removed of the wife | | |
| | 8th cousin of the wife | | |
| Lemieux, Marie | Wife of the half 6th cousin twice removed | | |
| Lemieux, Renée | Sister-in-law | | |
| Lemoine, Angélique Guyon Dion | Wife of the 2nd cousin 5 times removed | | |
| L'Enclus, Geneviève | Wife of the 5th great-granduncle | | |
| Léonard, Laure | Wife of the 3rd cousin twice removed | | |
| Léonard, Marie-Madeleine Simon | Wife of the 5th great-granduncle | | |
| Lépine, Adéline Bérard | Wife of the half 4th cousin 4 times removed | | |
| Leroux, Pélagie | Wife of the half 2nd cousin 6 times removed | | |