| Name | Relationship with Guy Bienvenue | Civil | Canon |
|---|
| Fontaine, Henri-Alphonse | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Henriette | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Henriette | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Henriette | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Henri-Paul | Half 6th cousin twice removed | XVI | 9 |
| | Half 6th cousin twice removed of the wife | | |
| Fontaine, Herman (Herménégilde) | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Hermas | 4th cousin 3 times removed | XIII | 8 |
| | Husband of the 6th cousin twice removed | | |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Hermas Wilfrid | 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, Hermina | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Hermine | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Hermine | 2nd cousin twice removed | VIII | 5 |
| | 2nd cousin twice removed of the wife | | |
| Fontaine, Hermine (Henriette?) | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Hervé | 6th cousin once removed | XV | 8 |
| | 6th cousin once removed of the wife | | |
| Fontaine, Hilaire | 5th cousin twice removed | XIV | 8 |
| | 5th cousin twice removed of the wife | | |
| Fontaine, Honoré | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Hormidas | 3rd cousin 3 times removed | XI | 7 |
| | 3rd cousin 3 times removed of the wife | | |
| Fontaine, Hormidas | 5th cousin 3 times removed | XV | 9 |
| | 5th cousin 3 times removed of the wife | | |
| Fontaine, Hormisdas | 4th cousin 3 times removed | XIII | 8 |
| | 4th cousin 3 times removed of the wife | | |
| Fontaine, Hormisdas | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Hormisdas | 3rd cousin 4 times removed | XII | 8 |
| | 3rd cousin 4 times removed of the wife | | |
| Fontaine, Hubert | Half 4th cousin 4 times removed | XIV | 9 |
| | Half 4th cousin 4 times removed of the wife | | |
| Fontaine, Hubert | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Hubert | Half 5th cousin 3 times removed | XV | 9 |
| | Half 5th cousin 3 times removed of the wife | | |
| Fontaine, Hubert | 1st cousin 4 times removed | VIII | 6 |