| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 9th cousin 21 times removed | XLI | 31 |
| 8th cousin 23 times removed | XLI | 32 |
| 7th cousin 25 times removed | XLI | 33 |
| 9th cousin 22 times removed | XLII | 32 |
| 9th cousin 23 times removed | XLIII | 33 |
| 9th cousin 24 times removed | XLIV | 34 |
| Campbell, Duncan Dow Crawford | 25th great-granduncle | XXIX | 28 |
| Campbell, Duncan Fraser | 26th great-grandfather | XXVIII | 28 |
| Campbell, Duncan MacDurine | 29th great-grandfather | XXXI | 31 |
| Campbell, Duncan MacGillivrail | 24th great-granduncle | XXVIII | 27 |
| Campbell, Duncan Sinclair | 22nd great-granduncle | XXVI | 25 |
| 4th cousin 21 times removed | XXXI | 26 |
| 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 |
| 7th cousin 20 times removed | XXXVI | 28 |
| 7th cousin 21 times removed | XXXVII | 29 |
| 7th cousin 22 times removed | XXXVIII | 30 |
| 7th cousin 23 times removed | XXXIX | 31 |
| 6th cousin 25 times removed | XXXIX | 32 |
| 7th cousin 24 times removed | XL | 32 |
| 7th cousin 25 times removed | XLI | 33 |
| 7th cousin 26 times removed | XLII | 34 |
| Campbell, Duncan Skeodan Lamont | 19th great-granduncle | XXIII | 22 |
| 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| 5th cousin 19 times removed | XXXI | 25 |
| 4th cousin 21 times removed | XXXI | 26 |
| 5th cousin 20 times removed | XXXII | 26 |
| 5th cousin 21 times removed | XXXIII | 27 |
| 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 |
| 7th cousin 20 times removed | XXXVI | 28 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 7th cousin 21 times removed | XXXVII | 29 |
| 5th cousin 25 times removed | XXXVII | 31 |
| 7th cousin 22 times removed | XXXVIII | 30 |
| 8th cousin 20 times removed | XXXVIII | 29 |
| 8th cousin 21 times removed | XXXIX | 30 |
| 10th cousin 17 times removed | XXXIX | 28 |
| 8th cousin 22 times removed | XL | 31 |
| 10th cousin 18 times removed | XL | 29 |
| 8th cousin 23 times removed | XLI | 32 |
| 10th cousin 19 times removed | XLI | 30 |
| 10th cousin 20 times removed | XLII | 31 |
| 9th cousin 22 times removed | XLII | 32 |
| 8th cousin 24 times removed | XLII | 33 |