| Name | Relationship with Guy Bienvenue | Civil | Canon |
|---|
| | 5th cousin twice removed of the wife | | |
| Fontaine, Alexis | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Alfred | 5th cousin 3 times removed | XV | 9 |
| | 5th cousin 3 times removed of the wife | | |
| Fontaine, Alfred | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Alfred | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Alice | 6th cousin once removed | XV | 8 |
| | 8th cousin | XVIII | 9 |
| | 6th cousin once removed of the wife | | |
| | 8th cousin of the wife | | |
| Fontaine, Alice | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Alida | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Alida | 4th cousin twice removed | XII | 7 |
| | 4th cousin twice removed of the wife | | |
| Fontaine, Aline | 5th cousin | XII | 6 |
| | 5th cousin of the wife | | |
| Fontaine, Aline | 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, Almaide | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Alphée | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Alphonse | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Alphonse | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Alphonse Adoré | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Alphonsine | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Alphonsine | 2nd cousin 3 times removed | IX | 6 |
| | 2nd cousin 3 times removed of the wife | | |
| Fontaine, Amable | Half 2nd cousin 6 times removed | XII | 9 |
| | Half 2nd cousin 6 times removed of the wife | | |
| Fontaine, Amable | Half 2nd cousin 6 times removed | XII | 9 |
| | Half 2nd cousin 6 times removed of the wife | | |
| Fontaine, Amable | Half 2nd cousin 6 times removed | XII | 9 |
| | Half 2nd cousin 6 times removed of the wife | | |
| Fontaine, Amable | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Amable | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Amable | Half 4th cousin 4 times removed | XIV | 9 |