| Name | Relationship with Margaret Plauche | Civil | Canon |
|---|
| 3rd cousin 3 times removed | XI | 7 |
| Half 3rd cousin 3 times removed | XI | 7 |
| Half 4th cousin once removed | XI | 6 |
| 4th cousin twice removed | XII | 7 |
| Half 4th cousin twice removed | XII | 7 |
| Half 3rd cousin 4 times removed | XII | 8 |
| 4th cousin 3 times removed | XIII | 8 |
| 5th cousin once removed | XIII | 7 |
| Half 5th cousin once removed | XIII | 7 |
| Half 4th cousin 3 times removed | XIII | 8 |
| 4th cousin 4 times removed | XIV | 9 |
| 5th cousin twice removed | XIV | 8 |
| Half 5th cousin twice removed | XIV | 8 |
| Half 5th cousin 3 times removed | XV | 9 |
| Half 6th cousin once removed | XV | 8 |
| Half 5th cousin 4 times removed | XVI | 10 |
| Half 6th cousin twice removed | XVI | 9 |
| Husband of the half 1st cousin 3 times removed | | |
| Husband of the half 2nd cousin twice removed | | |
| Husband of the half 2nd cousin 3 times removed | | |
| Husband of the 3rd cousin 3 times removed | | |
| Husband of the half 3rd cousin 3 times removed | | |
| Husband of the half 4th cousin once removed | | |
| Husband of the 4th cousin twice removed | | |
| Husband of the 4th cousin 3 times removed | | |
| Husband of the half 5th cousin once removed | | |
| Ducote, Joseph II | 3rd great-grandfather | V | 5 |
| Half 1st cousin 5 times removed | IX | 7 |
| Half 2nd cousin 4 times removed | X | 7 |
| Half 2nd cousin 5 times removed | XI | 8 |
| Half 3rd cousin 4 times removed | XII | 8 |
| Half 3rd cousin 5 times removed | XIII | 9 |
| Husband of the half 2nd great-grandaunt | | |
| Husband of the 2nd cousin 4 times removed | | |
| Husband of the 2nd cousin 5 times removed | | |
| Husband of the 2nd cousin 6 times removed | | |
| Husband of the half 3rd cousin 4 times removed | | |
| Husband of the half 3rd cousin 5 times removed | | |
| Ducote, Lula Mae | Mother | I | 1 |
| Half 3rd cousin once removed | IX | 5 |
| Half 4th cousin | X | 5 |
| Half 3rd cousin twice removed | X | 6 |
| Half 4th cousin once removed | XI | 6 |
| 5th cousin | XII | 6 |
| 5th cousin once removed | XIII | 7 |
| Half 5th cousin once removed | XIII | 7 |
| 6th cousin | XIV | 7 |
| Half 6th cousin | XIV | 7 |
| Half 5th cousin twice removed | XIV | 8 |
| 6th cousin once removed | XV | 8 |
