| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Husband of the 2nd cousin 20 times removed | | |
| Husband of the 2nd cousin 22 times removed | | |
| Husband of the 3rd cousin 20 times removed | | |
| Husband of the 2nd cousin 23 times removed | | |
| Husband of the 3rd cousin 21 times removed | | |
| Husband of the 3rd cousin 22 times removed | | |
| Husband of the 3rd cousin 23 times removed | | |
| Husband of the 4th cousin 21 times removed | | |
| Husband of the 4th cousin 22 times removed | | |
| Husband of the 4th cousin 23 times removed | | |
| Husband of the 4th cousin 24 times removed | | |
| Husband of the 4th cousin 25 times removed | | |
| Husband of the 4th cousin 26 times removed | | |
| Husband of the 7th cousin 21 times removed | | |
| Husband of the 7th cousin 22 times removed | | |
| Husband of the 7th cousin 23 times removed | | |
| Husband of the 7th cousin 24 times removed | | |
| Husband of the 7th cousin 25 times removed | | |
| Boyd, Thomas Giffard | 19th great-grandfather | XXI | 21 |
| 1st cousin 22 times removed | XXVI | 24 |
| 3rd cousin 19 times removed | XXVII | 23 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 4th cousin 19 times removed | XXIX | 24 |
| 3rd cousin 22 times removed | XXX | 26 |
| 4th cousin 20 times removed | XXX | 25 |
| 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 22 times removed | XXXII | 27 |
| 5th cousin 20 times removed | XXXII | 26 |
| 5th cousin 21 times removed | XXXIII | 27 |
| 5th cousin 22 times removed | XXXIV | 28 |
| 5th cousin 23 times removed | XXXV | 29 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 5th cousin 25 times removed | XXXVII | 31 |
| 8th cousin 20 times removed | XXXVIII | 29 |
| 8th cousin 21 times removed | XXXIX | 30 |
| 8th cousin 22 times removed | XL | 31 |
| 8th cousin 23 times removed | XLI | 32 |
| 8th cousin 24 times removed | XLII | 33 |
| Husband of the 20th great-grandaunt | | |
| Husband of the 2nd cousin 18 times removed | | |
| Husband of the half 2nd cousin 19 times removed | | |
| Husband of the half 2nd cousin 20 times removed | | |
| Husband of the 3rd cousin 18 times removed | | |
| Husband of the half 2nd cousin 21 times removed | | |
| Husband of the half 2nd cousin 22 times removed | | |
| Husband of the 3rd cousin 20 times removed | | |
| Husband of the 4th cousin 19 times removed | | |
| Husband of the 4th cousin 20 times removed | | |
| Husband of the 3rd cousin 22 times removed | | |
| Husband of the 5th cousin 19 times removed | | |