| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 10th cousin 20 times removed | XLII | 31 |
| 11th cousin 19 times removed | XLIII | 31 |
| 10th cousin 21 times removed | XLIII | 32 |
| 11th cousin 20 times removed | XLIV | 32 |
| 10th cousin 22 times removed | XLIV | 33 |
| 11th cousin 21 times removed | XLV | 33 |
| 10th cousin 23 times removed | XLV | 34 |
| Keith, Robert Seton | 20th great-granduncle | XXIV | 23 |
| 21st great-granduncle | XXV | 24 |
| 2nd cousin 24 times removed | XXX | 27 |
| 2nd cousin 26 times removed | XXXII | 29 |
| Keith, Robert William Comyn | 21st great-grandfather | XXIII | 23 |
| 22nd great-grandfather | XXIV | 24 |
| 1st cousin 25 times removed | XXIX | 27 |
| 1st cousin 27 times removed | XXXI | 29 |
| Keith, William | 20th great-grandfather | XXII | 22 |
| Keith, William | 17th great-grandfather | XIX | 19 |
| Husband of the half 1st cousin 21 times removed | | |
| Husband of the 2nd cousin 19 times removed | | |
| Husband of the 1st cousin 22 times removed | | |
| Husband of the 1st cousin 23 times removed | | |
| Husband of the 4th cousin 20 times removed | | |
| Husband of the 5th cousin 18 times removed | | |
| Husband of the 5th cousin 19 times removed | | |
| Husband of the 4th cousin 22 times removed | | |
| Husband of the 5th cousin 20 times removed | | |
| Husband of the 6th cousin 18 times removed | | |
| Husband of the 5th cousin 21 times removed | | |
| Husband of the 7th cousin 17 times removed | | |
| Husband of the 7th cousin 18 times removed | | |
| Husband of the 7th cousin 19 times removed | | |
| Husband of the 6th cousin 22 times removed | | |
| Husband of the 7th cousin 20 times removed | | |
| Husband of the 6th cousin 23 times removed | | |
| Husband of the 6th cousin 24 times removed | | |
| Husband of the 9th cousin 18 times removed | | |
| Husband of the 9th cousin 19 times removed | | |
| Husband of the 10th cousin 18 times removed | | |
| Husband of the 9th cousin 20 times removed | | |
| Husband of the 10th cousin 19 times removed | | |
| Husband of the 9th cousin 21 times removed | | |
| Husband of the 10th cousin 20 times removed | | |
| Husband of the 9th cousin 22 times removed | | |
| Husband of the 10th cousin 21 times removed | | |
| Husband of the 9th cousin 23 times removed | | |
| Husband of the 10th cousin 22 times removed | | |
| Husband of the 9th cousin 24 times removed | | |
| Keith, William Hamilton | 16th great-granduncle | XX | 19 |
| Half 2nd cousin 20 times removed | XXVI | 23 |
| 3rd cousin 18 times removed | XXVI | 22 |