| Name | Relationship with Guy Bienvenue | Civil | Canon |
| Fontaine, Julie | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Julie | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Julie | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Julie | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Julie | Half 3rd cousin 5 times removed | XIII | 9 |
| | Half 3rd cousin 5 times removed of the wife | | |
| Fontaine, Julie | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Julie | 2nd cousin 5 times removed | XI | 8 |
| | 2nd cousin 5 times removed of the wife | | |
| Fontaine, Julien | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Juliette | 6th cousin once removed | XV | 8 |
| | 8th cousin | XVIII | 9 |
| | 6th cousin once removed of the wife | | |
| | 8th cousin of the wife | | |
| Fontaine, Justine | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Karine | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Katerine | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Lambert | 3rd great-granduncle | VII | 6 |
| | 3rd great-granduncle of the wife | | |
| Fontaine, Laure | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Laure | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Lauréa | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Lauretta | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Laurette | Half 7th cousin once removed | XVII | 9 |
| | Half 7th cousin once removed of the wife | | |
| Fontaine, Léa | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Léa | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Léo | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Léocadie | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Léocadie | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Léon | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |