| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Husband of the 17th cousin 12 times removed | | |
| Husband of the 15th cousin 17 times removed | | |
| Husband of the 17th cousin 13 times removed | | |
| Husband of the 19th cousin 10 times removed | | |
| Husband of the 17th cousin 14 times removed | | |
| Husband of the 18th cousin 13 times removed | | |
| Husband of the 18th cousin 15 times removed | | |
| Husband of the 19th cousin 13 times removed | | |
| Husband of the 17th cousin 17 times removed | | |
| Cranston, John | 16th great-grandfather | XVIII | 18 |
| Cranston, John Swinton | 15th great-grandfather | XVII | 17 |
| Cranston, Margaret Elizabeth Stewart | 12th great-grandmother | XIV | 14 |
| 7th cousin 11 times removed | XXVII | 19 |
| 9th cousin 13 times removed | XXXIII | 23 |
| Half 9th cousin 13 times removed | XXXIII | 23 |
| 9th cousin 14 times removed | XXXIV | 24 |
| Half 10th cousin 13 times removed | XXXV | 24 |
| Half 10th cousin 14 times removed | XXXVI | 25 |
| Half 12th cousin 11 times removed | XXXVII | 24 |
| 12th cousin 11 times removed | XXXVII | 24 |
| 12th cousin 12 times removed | XXXVIII | 25 |
| Half 13th cousin 11 times removed | XXXIX | 25 |
| 13th cousin 11 times removed | XXXIX | 25 |
| 12th cousin 13 times removed | XXXIX | 26 |
| Half 12th cousin 14 times removed | XL | 27 |
| 12th cousin 14 times removed | XL | 27 |
| 13th cousin 12 times removed | XL | 26 |
| 13th cousin 13 times removed | XLI | 27 |
| 14th cousin 12 times removed | XLII | 27 |
| Half 13th cousin 14 times removed | XLII | 28 |
| 15th cousin 10 times removed | XLII | 26 |
| 13th cousin 14 times removed | XLII | 28 |
| 13th cousin 15 times removed | XLIII | 29 |
| 13th cousin 16 times removed | XLIV | 30 |
| 14th cousin 15 times removed | XLV | 30 |
| 15th cousin 13 times removed | XLV | 29 |
| 13th cousin 17 times removed | XLV | 31 |
| 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 |
| 18th cousin 11 times removed | XLIX | 30 |
| 16th cousin 16 times removed | L | 33 |
| 18th cousin 12 times removed | L | 31 |
| 20th cousin 9 times removed | LI | 30 |
| 18th cousin 13 times removed | LI | 32 |
| 19th cousin 12 times removed | LII | 32 |
| 19th cousin 14 times removed | LIV | 34 |
| 20th cousin 12 times removed | LIV | 33 |
| 18th cousin 16 times removed | LIV | 35 |