| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 5th cousin 23 times removed | XXXV | 29 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 5th cousin 25 times removed | XXXVII | 31 |
| 8th cousin 20 times removed | XXXVIII | 29 |
| 8th cousin 21 times removed | XXXIX | 30 |
| 8th cousin 22 times removed | XL | 31 |
| 8th cousin 23 times removed | XLI | 32 |
| 8th cousin 24 times removed | XLII | 33 |
| Wife of the 18th great-granduncle | | |
| Wife of the 19th great-granduncle | | |
| Wife of the 1st cousin 20 times removed | | |
| Wife of the half 1st cousin 21 times removed | | |
| Wife of the 2nd cousin 21 times removed | | |
| Wife of the 3rd cousin 21 times removed | | |
| Wife of the 3rd cousin 22 times removed | | |
| Wife of the 3rd cousin 23 times removed | | |
| Wife of the 5th cousin 19 times removed | | |
| Wife of the 3rd cousin 24 times removed | | |
| Wife of the 4th cousin 22 times removed | | |
| Wife of the 5th cousin 20 times removed | | |
| Wife of the 3rd cousin 25 times removed | | |
| Wife of the 5th cousin 21 times removed | | |
| Wife of the 4th cousin 24 times removed | | |
| Wife of the 5th cousin 22 times removed | | |
| Wife of the 8th cousin 20 times removed | | |
| Wife of the 8th cousin 21 times removed | | |
| Wife of the 8th cousin 22 times removed | | |
| Wife of the 8th cousin 23 times removed | | |
| Wife of the 8th cousin 24 times removed | | |
| Lindsay, Euphan Bethune | 10th great-grandaunt | XIV | 13 |
| 8th cousin 12 times removed | XXX | 21 |
| 8th cousin 13 times removed | XXXI | 22 |
| 9th cousin 12 times removed | XXXII | 22 |
| Half 9th cousin 13 times removed | XXXIII | 23 |
| 10th cousin 13 times removed | XXXV | 24 |
| 11th cousin 13 times removed | XXXVII | 25 |
| 11th cousin 14 times removed | XXXVIII | 26 |
| 11th cousin 15 times removed | XXXIX | 27 |
| 13th cousin 11 times removed | XXXIX | 25 |
| 11th cousin 16 times removed | XL | 28 |
| 12th cousin 14 times removed | XL | 27 |
| 13th cousin 12 times removed | XL | 26 |
| 11th cousin 17 times removed | XLI | 29 |
| 13th cousin 13 times removed | XLI | 27 |
| 12th cousin 16 times removed | XLII | 29 |
| 13th cousin 14 times removed | XLII | 28 |
| 16th cousin 12 times removed | XLVI | 29 |
| 16th cousin 13 times removed | XLVII | 30 |
| 16th cousin 14 times removed | XLVIII | 31 |
| 16th cousin 15 times removed | XLIX | 32 |