| Name | Relationship with Margaret Plauche | Civil | Canon |
|---|
| Half 3rd cousin 5 times removed | XIII | 9 |
| Half 3rd cousin 6 times removed | XIV | 10 |
| Wife of the half 2nd great-granduncle | | |
| Wife of the half 1st cousin 4 times removed | | |
| Gremillion, Francois Louis | 4th great-grandfather | VI | 6 |
| Husband of the half 5th great-grandaunt | | |
| Husband of the half 1st cousin 5 times removed | | |
| Husband of the half 1st cousin 6 times removed | | |
| Husband of the half 1st cousin 7 times removed | | |
| Husband of the half 1st cousin 8 times removed | | |
| Gremillion, Louis | 5th great-grandfather | VII | 7 |
| Gremillion, Louis | 3rd great-grandfather | V | 5 |
| Half 1st cousin 6 times removed | X | 8 |
| Half 2nd cousin 4 times removed | X | 7 |
| Half 2nd cousin 5 times removed | XI | 8 |
| Half 2nd cousin 6 times removed | XII | 9 |
| Half 2nd cousin 7 times removed | XIII | 10 |
| Gremillion, Toussaint | 6th great-grandfather | VIII | 8 |
| Grouchy, Catherine Marie | Daughter | I | 1 |
| Half 4th cousin once removed | XI | 6 |
| Half 4th cousin twice removed | XII | 7 |
| Half 5th cousin once removed | XIII | 7 |
| Half 5th cousin twice removed | XIV | 8 |
| 5th cousin twice removed | XIV | 8 |
| 6th cousin once removed | XV | 8 |
| Half 6th cousin once removed | XV | 8 |
| 6th cousin twice removed | XVI | 9 |
| Half 6th cousin twice removed | XVI | 9 |
| 7th cousin once removed | XVII | 9 |
| Half 7th cousin once removed | XVII | 9 |
| 8th cousin | XVIII | 9 |
| Half 8th cousin | XVIII | 9 |
| Half 8th cousin once removed | XIX | 10 |
| Half 9th cousin | XX | 10 |
| Grouchy, David Michael | Husband | | |
| Grouchy, David Michael | Son | I | 1 |
| Half 4th cousin once removed | XI | 6 |
| Half 4th cousin twice removed | XII | 7 |
| Half 5th cousin once removed | XIII | 7 |
| Half 5th cousin twice removed | XIV | 8 |
| 5th cousin twice removed | XIV | 8 |
| 6th cousin once removed | XV | 8 |
| Half 6th cousin once removed | XV | 8 |
| 6th cousin twice removed | XVI | 9 |
| Half 6th cousin twice removed | XVI | 9 |
| 7th cousin once removed | XVII | 9 |
| Half 7th cousin once removed | XVII | 9 |
| 8th cousin | XVIII | 9 |
| Half 8th cousin | XVIII | 9 |
| Half 8th cousin once removed | XIX | 10 |
