| Name | Relationship with Guy Bienvenue | Civil | Canon |
|---|
| Tétreault, Joseph-Patrick Ronald | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Joseph-Richard Paul | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Joseph-Ronald René | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Kaylee-Marie Nicole | Half 8th cousin twice removed | XX | 11 |
| | Half 8th cousin twice removed of the wife | | |
| Tétreault, Larry | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Léonard | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Lesley Carol | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |
| Tétreault, Liette | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Lina | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Tétreault, Madeleine | Half 2nd cousin 6 times removed | XII | 9 |
| | Half 2nd cousin 6 times removed of the wife | | |
| Tétreault, Malvina | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Marc Doulas | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |
| Tétreault, Marie | 5th cousin 3 times removed | XV | 9 |
| | 5th cousin 3 times removed of the wife | | |
| Tétreault, Marie Clara | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Tétreault, Marie Pauline | Half 8th cousin | XVIII | 9 |
| | Half 8th cousin of the wife | | |
| Tétreault, Marie-Adéline | 5th cousin 3 times removed | XV | 9 |
| | 5th cousin 3 times removed of the wife | | |
| Tétreault, Marie-Georgine | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Marie-Georgine | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Marie-Hermine | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Marie-Thérèse | Half 2nd cousin 6 times removed | XII | 9 |
| | Half 2nd cousin 6 times removed of the wife | | |
| Tétreault, Marie-Vitaline | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Mark Ron | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |
| Tétreault, Mary | 6th cousin twice removed | XVI | 9 |
| | 6th cousin twice removed of the wife | | |
| Tétreault, Michel Maurice Florian | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |
| Tétreault, Michelle | Half 8th cousin once removed | XIX | 10 |
| | Half 8th cousin once removed of the wife | | |