| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 8th cousin 22 times removed | XL | 31 |
| 10th cousin 18 times removed | XL | 29 |
| 11th cousin 16 times removed | XL | 28 |
| 10th cousin 19 times removed | XLI | 30 |
| 11th cousin 17 times removed | XLI | 29 |
| 12th cousin 16 times removed | XLII | 29 |
| 10th cousin 20 times removed | XLII | 31 |
| 11th cousin 18 times removed | XLII | 30 |
| 12th cousin 17 times removed | XLIII | 30 |
| 10th cousin 21 times removed | XLIII | 32 |
| 11th cousin 19 times removed | XLIII | 31 |
| 12th cousin 18 times removed | XLIV | 31 |
| 10th cousin 22 times removed | XLIV | 33 |
| 11th cousin 20 times removed | XLIV | 32 |
| 12th cousin 19 times removed | XLV | 32 |
| 11th cousin 21 times removed | XLV | 33 |
| 12th cousin 20 times removed | XLVI | 33 |
| 11th cousin 22 times removed | XLVI | 34 |
| Husband of the 16th great-grandaunt | | |
| Husband of the 3rd cousin 17 times removed | | |
| Husband of the 3rd cousin 18 times removed | | |
| Husband of the 4th cousin 17 times removed | | |
| Husband of the half 4th cousin 18 times removed | | |
| Husband of the 5th cousin 18 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 8th cousin 16 times removed | | |
| Husband of the 6th cousin 21 times removed | | |
| Husband of the 7th cousin 19 times removed | | |
| Husband of the 8th cousin 17 times removed | | |
| Husband of the 6th cousin 22 times removed | | |
| Husband of the 8th cousin 18 times removed | | |
| Husband of the 7th cousin 21 times removed | | |
| Husband of the 8th cousin 19 times removed | | |
| Husband of the 10th cousin 16 times removed | | |
| Husband of the 9th cousin 18 times removed | | |
| Husband of the 10th cousin 17 times removed | | |
| Husband of the 9th cousin 19 times removed | | |
| Husband of the 11th cousin 17 times removed | | |
| Husband of the 11th cousin 18 times removed | | |
| Husband of the 11th cousin 19 times removed | | |
| Husband of the 11th cousin 20 times removed | | |
| Husband of the 11th cousin 21 times removed | | |
| Forbes, William Kennedy | 17th great-granduncle | XXI | 20 |
| 4th cousin 20 times removed | XXX | 25 |
| 4th cousin 21 times removed | XXXI | 26 |
| 10th cousin 19 times removed | XLI | 30 |
| 10th cousin 22 times removed | XLIV | 33 |
| Forbes, William Lundy | 13th great-grandfather | XV | 15 |