| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Half 1st cousin 22 times removed | XXVI | 24 |
| Half 1st cousin 23 times removed | XXVII | 25 |
| 3rd cousin 20 times removed | XXVIII | 24 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 4th cousin 20 times removed | XXX | 25 |
| 3rd cousin 22 times removed | XXX | 26 |
| 4th cousin 21 times removed | XXXI | 26 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 4th cousin 22 times removed | XXXII | 27 |
| 4th cousin 23 times removed | XXXIII | 28 |
| 4th cousin 24 times removed | XXXIV | 29 |
| 4th cousin 25 times removed | XXXV | 30 |
| 4th cousin 26 times removed | XXXVI | 31 |
| 7th cousin 21 times removed | XXXVII | 29 |
| 7th cousin 22 times removed | XXXVIII | 30 |
| 7th cousin 23 times removed | XXXIX | 31 |
| 7th cousin 24 times removed | XL | 32 |
| 7th cousin 25 times removed | XLI | 33 |
| Stewart, Duncan | 19th great-grandfather | XXI | 21 |
| Husband of the 4th cousin 19 times removed | | |
| Husband of the 4th cousin 20 times removed | | |
| Husband of the 5th cousin 19 times removed | | |
| Husband of the 4th cousin 21 times removed | | |
| Husband of the 5th cousin 20 times removed | | |
| Husband of the 5th cousin 21 times removed | | |
| Husband of the 7th cousin 18 times removed | | |
| Husband of the 5th cousin 22 times removed | | |
| Husband of the 7th cousin 19 times removed | | |
| Husband of the 5th cousin 23 times removed | | |
| Husband of the 7th cousin 20 times removed | | |
| Husband of the 5th cousin 24 times removed | | |
| Husband of the 7th cousin 21 times removed | | |
| Husband of the 5th cousin 25 times removed | | |
| Husband of the 7th cousin 22 times removed | | |
| Husband of the 8th cousin 20 times removed | | |
| Husband of the 8th cousin 21 times removed | | |
| Husband of the 10th cousin 17 times removed | | |
| Husband of the 8th cousin 22 times removed | | |
| Husband of the 10th cousin 18 times removed | | |
| Husband of the 8th cousin 23 times removed | | |
| Husband of the 10th cousin 19 times removed | | |
| Husband of the 10th cousin 20 times removed | | |
| Husband of the 9th cousin 22 times removed | | |
| Husband of the 8th cousin 24 times removed | | |
| Husband of the 10th cousin 21 times removed | | |
| Husband of the 10th cousin 22 times removed | | |
| Husband of the 10th cousin 23 times removed | | |
| Stewart, Edgar | 27th great-granduncle | XXXI | 30 |
| Stewart, Edmund | 27th great-granduncle | XXXI | 30 |
| Stewart, Edward | 27th great-granduncle | XXXI | 30 |