| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 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 |
| 5th cousin 26 times removed | XXXVIII | 32 |
| 5th cousin 27 times removed | XXXIX | 33 |
| 5th cousin 28 times removed | XL | 34 |
| Dunbar, Alexander Comyn | 20th great-granduncle | XXIV | 23 |
| 22nd great-granduncle | XXVI | 25 |
| 23rd great-granduncle | XXVII | 26 |
| 1st cousin 23 times removed | XXVII | 25 |
| 24th great-granduncle | XXVIII | 27 |
| 1st cousin 25 times removed | XXIX | 27 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 3rd cousin 25 times removed | XXXIII | 29 |
| 3rd cousin 26 times removed | XXXIV | 30 |
| 3rd cousin 27 times removed | XXXV | 31 |
| 6th cousin 21 times removed | XXXV | 28 |
| 6th cousin 22 times removed | XXXVI | 29 |
| 6th cousin 23 times removed | XXXVII | 30 |
| 6th cousin 24 times removed | XXXVIII | 31 |
| 6th cousin 25 times removed | XXXIX | 32 |
| 6th cousin 26 times removed | XL | 33 |
| 6th cousin 27 times removed | XLI | 34 |
| Dunbar, Colin Seton | 18th great-granduncle | XXII | 21 |
| 1st cousin 20 times removed | XXIV | 22 |
| 1st cousin 22 times removed | XXVI | 24 |
| 1st cousin 23 times removed | XXVII | 25 |
| 1st cousin 24 times removed | XXVIII | 26 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 4th cousin 21 times removed | XXXI | 26 |
| 5th cousin 19 times removed | XXXI | 25 |
| 4th cousin 22 times removed | XXXII | 27 |
| 6th cousin 18 times removed | XXXII | 25 |
| 6th cousin 19 times removed | XXXIII | 26 |
| 6th cousin 20 times removed | XXXIV | 27 |
| 5th cousin 23 times removed | XXXV | 29 |
| 6th cousin 21 times removed | XXXV | 28 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 5th cousin 25 times removed | XXXVII | 31 |
| 8th cousin 19 times removed | XXXVII | 28 |
| 8th cousin 20 times removed | XXXVIII | 29 |
| 9th cousin 19 times removed | XXXIX | 29 |
| 8th cousin 21 times removed | XXXIX | 30 |
| 9th cousin 20 times removed | XL | 30 |
| 8th cousin 22 times removed | XL | 31 |
| 9th cousin 21 times removed | XLI | 31 |