| Name | Relationship with Guy Bienvenue | Civil | Canon |
|---|
| | 5th cousin twice removed of the wife | | |
| Fontaine, Simon | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Simone | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Simone | 6th cousin once removed | XV | 8 |
| | 6th cousin once removed of the wife | | |
| Fontaine, Sophie | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Sophie | 1st cousin 4 times removed | VIII | 6 |
| | 1st cousin 4 times removed of the wife | | |
| Fontaine, Sophie | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Sophie | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Sophie | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Sophie | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Sophie | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Sophronie | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Stanislas | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Stanislas | Half 4th cousin 3 times removed | XIII | 8 |
| | Half 4th cousin 3 times removed of the wife | | |
| Fontaine, Steve | 7th cousin | XVI | 8 |
| | 7th cousin of the wife | | |
| Fontaine, Suzanne | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Fontaine, Télesphore | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Tharsile | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Tharsile | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Tharsile | Wife of the 3rd cousin 3 times removed | | |
| Fontaine, Tharsile | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Tharsile | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Théophile | 2nd cousin 4 times removed | X | 7 |
| | 2nd cousin 4 times removed of the wife | | |
| Fontaine, Théophile (Tharsile?) | 3rd cousin 3 times removed | XI | 7 |
| | 3rd cousin 3 times removed of the wife | | |
| Fontaine, Thérèse | 5th cousin | XII | 6 |
| | 5th cousin of the wife | | |
| Fontaine, Thérèse | Wife of the half 7th cousin once removed | | |
| Fontaine, Thérèse | Half 6th cousin twice removed | XVI | 9 |