| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Hamilton, John Keith | 18th great-grandfather | XX | 20 |
| Husband of the half 20th great-grandaunt | | |
| Husband of the 1st cousin 20 times removed | | |
| Husband of the 21st great-grandaunt | | |
| Husband of the 22nd great-grandaunt | | |
| Husband of the 3rd cousin 21 times removed | | |
| Husband of the 4th cousin 19 times removed | | |
| Husband of the 4th cousin 20 times removed | | |
| Husband of the 3rd cousin 23 times removed | | |
| Husband of the 4th cousin 21 times removed | | |
| Husband of the 5th cousin 19 times removed | | |
| Husband of the 4th cousin 22 times removed | | |
| Husband of the 6th cousin 18 times removed | | |
| Husband of the 6th cousin 19 times removed | | |
| Husband of the 6th cousin 20 times removed | | |
| Husband of the 5th cousin 23 times removed | | |
| Husband of the 6th cousin 21 times removed | | |
| Husband of the 5th cousin 24 times removed | | |
| Husband of the 5th cousin 25 times removed | | |
| Husband of the 8th cousin 19 times removed | | |
| Husband of the 8th cousin 20 times removed | | |
| Husband of the 9th cousin 19 times removed | | |
| Husband of the 8th cousin 21 times removed | | |
| Husband of the 9th cousin 20 times removed | | |
| Husband of the 8th cousin 22 times removed | | |
| Husband of the 9th cousin 21 times removed | | |
| Husband of the 8th cousin 23 times removed | | |
| Husband of the 9th cousin 22 times removed | | |
| Husband of the 8th cousin 24 times removed | | |
| Husband of the 9th cousin 23 times removed | | |
| Husband of the 8th cousin 25 times removed | | |
| Hamilton, Mary Douglas | 17th great-grandmother | XIX | 19 |
| Half 1st cousin 21 times removed | XXV | 23 |
| 2nd cousin 19 times removed | XXV | 22 |
| 1st cousin 22 times removed | XXVI | 24 |
| 1st cousin 23 times removed | XXVII | 25 |
| 4th cousin 20 times removed | XXX | 25 |
| 5th cousin 18 times removed | XXX | 24 |
| 5th cousin 19 times removed | XXXI | 25 |
| 4th cousin 22 times removed | XXXII | 27 |
| 5th cousin 20 times removed | XXXII | 26 |
| 6th cousin 18 times removed | XXXII | 25 |
| 5th cousin 21 times removed | XXXIII | 27 |
| 7th cousin 17 times removed | XXXIII | 25 |
| 7th cousin 18 times removed | XXXIV | 26 |
| 7th cousin 19 times removed | XXXV | 27 |
| 6th cousin 22 times removed | XXXVI | 29 |
| 7th cousin 20 times removed | XXXVI | 28 |
| 6th cousin 23 times removed | XXXVII | 30 |
| 6th cousin 24 times removed | XXXVIII | 31 |