| Name | Relationship with Guy Bienvenue | Civil | Canon |
|---|
| | 1st cousin 4 times removed of the wife | | |
| Fontaine, Hubert | 2nd cousin twice removed | VIII | 5 |
| | 2nd cousin twice removed of the wife | | |
| Fontaine, Huguette | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Fontaine, Hyppolite | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Hyppolite | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Ildège | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Irène | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Irenée (Jérémie?) Renée | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Isaac (Léon?) | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Isabelle (Elizabeth?) | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Isaie | 2nd cousin 5 times removed | XI | 8 |
| | 2nd cousin 5 times removed of the wife | | |
| Fontaine, Isidore (Idas) | 5th cousin 3 times removed | XV | 9 |
| | 5th cousin 3 times removed of the wife | | |
| Fontaine, Jacques | 5th cousin | XII | 6 |
| | 5th cousin of the wife | | |
| Fontaine, Jacques | 8th great-grandfather | X | 10 |
| | 8th great-grandfather of the wife | | |
| Fontaine, J-Antoine Ovila | 5th cousin twice removed | XIV | 8 |
| | 7th cousin once removed | XVII | 9 |
| | 5th cousin twice removed of the wife | | |
| | 7th cousin once removed of the wife | | |
| Fontaine, Jean Baptiste | Half 2nd cousin 6 times removed | XII | 9 |
| | Half 2nd cousin 6 times removed of the wife | | |
| Fontaine, Jean Baptiste | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Jean-Apollinaire | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Jean-Baptiste | 4th great-granduncle | VIII | 7 |
| | 4th great-granduncle of the wife | | |
| Fontaine, Jean-Baptiste | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Jean-Baptiste | Husband of the 4th cousin 4 times removed | | |
| Fontaine, Jean-Baptiste | 1st cousin 4 times removed | VIII | 6 |
| | 1st cousin 4 times removed of the wife | | |
| Fontaine, Jean-Baptiste | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Jean-Baptiste | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Jean-Baptiste | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |