| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Abernathy, Alexander | 14th great-granduncle | XVIII | 17 |
| Abernathy, Elizabeth | 14th great-grandmother | XVI | 16 |
| Abernathy, Helen | 14th great-grandaunt | XVIII | 17 |
| Abernathy, James | 15th great-grandfather | XVII | 17 |
| Abernathy, Janet | 14th great-grandaunt | XVIII | 17 |
| Abernathy, Lawrence Borthwick | 16th great-grandfather | XVIII | 18 |
| Abernathy, Mary | 21st great-grandmother | XXIII | 23 |
| Adams, Benjamin | 9th great-grandfather | XI | 11 |
| Adams, Benjamin | 7th great-grandfather | IX | 9 |
| Husband of the half 7th great-grandaunt | | |
| Husband of the 8th great-grandaunt | | |
| Husband of the 2nd cousin 6 times removed | | |
| Husband of the 1st cousin 8 times removed | | |
| Husband of the 1st cousin 9 times removed | | |
| Husband of the 3rd cousin 5 times removed | | |
| Husband of the 3rd cousin 6 times removed | | |
| Husband of the 1st cousin 12 times removed | | |
| Husband of the 4th cousin 6 times removed | | |
| Husband of the 1st cousin 13 times removed | | |
| Husband of the 4th cousin 7 times removed | | |
| Adams, Elizabeth A. Caudill | 6th great-grandaunt | X | 9 |
| Half 1st cousin 8 times removed | XII | 10 |
| 1st cousin 9 times removed | XIII | 11 |
| 3rd cousin 5 times removed | XIII | 9 |
| 2nd cousin 7 times removed | XIII | 10 |
| 2nd cousin 8 times removed | XIV | 11 |
| 4th cousin 4 times removed | XIV | 9 |
| 4th cousin 5 times removed | XV | 10 |
| 2nd cousin 11 times removed | XVII | 14 |
| 5th cousin 5 times removed | XVII | 11 |
| 2nd cousin 12 times removed | XVIII | 15 |
| 5th cousin 6 times removed | XVIII | 12 |
| Adams, Elizabeth Caudill | 7th great-grandmother | IX | 9 |
| 1st cousin 8 times removed | XII | 10 |
| Half 1st cousin 8 times removed | XII | 10 |
| 3rd cousin 5 times removed | XIII | 9 |
| 2nd cousin 7 times removed | XIII | 10 |
| 2nd cousin 8 times removed | XIV | 11 |
| 4th cousin 4 times removed | XIV | 9 |
| 4th cousin 5 times removed | XV | 10 |
| 2nd cousin 11 times removed | XVII | 14 |
| 5th cousin 5 times removed | XVII | 11 |
| 2nd cousin 12 times removed | XVIII | 15 |
| 5th cousin 6 times removed | XVIII | 12 |
| Adams, Esther H. Caudill | 6th great-grandaunt | X | 9 |
| Half 1st cousin 8 times removed | XII | 10 |
| 1st cousin 9 times removed | XIII | 11 |
| 3rd cousin 5 times removed | XIII | 9 |
| 2nd cousin 7 times removed | XIII | 10 |
| 2nd cousin 8 times removed | XIV | 11 |