| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 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 |
| Forbes, Alaster Or Alexander Kennedy | 17th great-grandfather | XIX | 19 |
| 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 |
| Husband of the 1st cousin 21 times removed | | |
| Husband of the half 1st cousin 22 times removed | | |
| Husband of the half 2nd cousin 20 times removed | | |
| Husband of the 4th cousin 19 times removed | | |
| Husband of the 3rd cousin 21 times removed | | |
| Husband of the 3rd cousin 22 times removed | | |
| Husband of the 4th cousin 20 times removed | | |
| Husband of the 4th cousin 21 times removed | | |
| Husband of the 4th cousin 22 times removed | | |
| Husband of the 5th cousin 20 times removed | | |
| Husband of the 5th cousin 21 times removed | | |
| Husband of the 5th cousin 22 times removed | | |
| Husband of the 5th cousin 23 times removed | | |
| Husband of the 5th cousin 24 times removed | | |
| Husband of the 5th cousin 25 times removed | | |
| Husband of the 8th cousin 20 times removed | | |
| Husband of the 8th cousin 21 times removed | | |
| Husband of the 8th cousin 22 times removed | | |
| Husband of the 8th cousin 23 times removed | | |
| Husband of the 8th cousin 24 times removed | | |
| Forbes, Alexander Gordon | 14th great-granduncle | XVIII | 17 |
| 1st cousin 17 times removed | XXI | 19 |
| 2nd cousin 16 times removed | XXII | 19 |
| 4th cousin 16 times removed | XXVI | 21 |
| 4th cousin 17 times removed | XXVII | 22 |
| Half 4th cousin 18 times removed | XXVIII | 23 |
| 5th cousin 16 times removed | XXVIII | 22 |
| 4th cousin 18 times removed | XXVIII | 23 |
| 4th cousin 19 times removed | XXIX | 24 |
| Half 5th cousin 17 times removed | XXIX | 23 |
| Half 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| 6th cousin 17 times removed | XXXI | 24 |
| 7th cousin 16 times removed | XXXII | 24 |
| 6th cousin 18 times removed | XXXII | 25 |
| 7th cousin 17 times removed | XXXIII | 25 |