| Name | Relationship with Guy Bienvenue | Civil | Canon |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Anonyme-(2) | 1st cousin 6 times removed | X | 8 |
| | 1st cousin 6 times removed of the wife | | |
| Fontaine, Anthime (Antoine?) | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Antoine | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Antoine | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Antoine | Husband of the great-grandaunt | | |
| Fontaine, Antoine | 1st cousin 6 times removed | X | 8 |
| | 1st cousin 6 times removed of the wife | | |
| Fontaine, Antoine | Half 2nd cousin 6 times removed | XII | 9 |
| | Half 2nd cousin 6 times removed of the wife | | |
| Fontaine, Antoine | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Antoine-Adelphe | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Antonin | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Antonio | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Apolline | Half 2nd cousin 6 times removed | XII | 9 |
| | Half 2nd cousin 6 times removed of the wife | | |
| Fontaine, Apolline | 2nd cousin 5 times removed | XI | 8 |
| | 2nd cousin 5 times removed of the wife | | |
| Fontaine, Appoline | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Appoline | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Appoline | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Archange | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Archange | 2nd cousin 4 times removed | X | 7 |
| | 2nd cousin 4 times removed of the wife | | |
| Fontaine, Armand | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Arthémise | Wife of the 4th cousin 3 times removed | | |
| Fontaine, Arthur | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Arzélie | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Arzélie | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Arzélie | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Augustin | Half 1st cousin 7 times removed | XI | 9 |
| | Half 1st cousin 7 times removed of the wife | | |
| Fontaine, Augustin | Half 2nd cousin 6 times removed | XII | 9 |