| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 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, Alexander Of Menteith Menteith | 22nd great-granduncle | XXVI | 25 |
| 23rd great-granduncle | XXVII | 26 |
| 1st cousin 23 times removed | XXVII | 25 |
| 1st cousin 24 times removed | XXVIII | 26 |
| 1st cousin 25 times removed | XXIX | 27 |
| 1st cousin 26 times removed | XXX | 28 |
| 1st cousin 27 times removed | XXXI | 29 |
| 1st cousin 28 times removed | XXXII | 30 |
| 1st cousin 29 times removed | XXXIII | 31 |
| 4th cousin 24 times removed | XXXIV | 29 |
| 4th cousin 25 times removed | XXXV | 30 |
| 4th cousin 26 times removed | XXXVI | 31 |
| 4th cousin 27 times removed | XXXVII | 32 |
| 4th cousin 28 times removed | XXXVIII | 33 |
| Stewart, Alexander Stuart | 17th great-granduncle | XXI | 20 |
| 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| 4th cousin 21 times removed | XXXI | 26 |
| 6th cousin 17 times removed | XXXI | 24 |
| 4th cousin 22 times removed | XXXII | 27 |
| 5th cousin 20 times removed | XXXII | 26 |
| 6th cousin 18 times removed | XXXII | 25 |
| 7th cousin 17 times removed | XXXIII | 25 |
| 5th cousin 21 times removed | XXXIII | 27 |
| 6th cousin 19 times removed | XXXIII | 26 |
| 7th cousin 18 times removed | XXXIV | 26 |
| 5th cousin 22 times removed | XXXIV | 28 |
| 7th cousin 19 times removed | XXXV | 27 |
| 5th cousin 23 times removed | XXXV | 29 |
| 9th cousin 16 times removed | XXXVI | 26 |
| 7th cousin 20 times removed | XXXVI | 28 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 9th cousin 17 times removed | XXXVII | 27 |
| 7th cousin 21 times removed | XXXVII | 29 |
| 5th cousin 25 times removed | XXXVII | 31 |
| 9th cousin 18 times removed | XXXVIII | 28 |
| 7th cousin 22 times removed | XXXVIII | 30 |
| 8th cousin 20 times removed | XXXVIII | 29 |
| 9th cousin 19 times removed | XXXIX | 29 |
| 7th cousin 23 times removed | XXXIX | 31 |