| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 24th cousin 5 times removed | LV | 30 |
| 22nd cousin 10 times removed | LVI | 33 |
| 24th cousin 6 times removed | LVI | 31 |
| 24th cousin 7 times removed | LVII | 32 |
| 26th cousin 3 times removed | LVII | 30 |
| 24th cousin 8 times removed | LVIII | 33 |
| 26th cousin 4 times removed | LVIII | 31 |
| 28th cousin once removed | LIX | 30 |
| 26th cousin 5 times removed | LIX | 32 |
| 27th cousin 4 times removed | LX | 32 |
| 27th cousin 6 times removed | LXII | 34 |
| 28th cousin 4 times removed | LXII | 33 |
| 26th cousin 8 times removed | LXII | 35 |
| Vires, James | 5th great-granduncle | IX | 8 |
| 14th cousin 4 times removed | XXXIV | 19 |
| 13th cousin 7 times removed | XXXV | 21 |
| 13th cousin 8 times removed | XXXVI | 22 |
| 14th cousin 7 times removed | XXXVII | 22 |
| Half 14th cousin 8 times removed | XXXVIII | 23 |
| 16th cousin 6 times removed | XL | 23 |
| Half 16th cousin 6 times removed | XL | 23 |
| 15th cousin 8 times removed | XL | 24 |
| 16th cousin 7 times removed | XLI | 24 |
| 16th cousin 8 times removed | XLII | 25 |
| Half 17th cousin 6 times removed | XLII | 24 |
| 16th cousin 9 times removed | XLIII | 26 |
| Half 17th cousin 7 times removed | XLIII | 25 |
| Half 19th cousin 4 times removed | XLIV | 24 |
| 16th cousin 10 times removed | XLIV | 27 |
| 19th cousin 4 times removed | XLIV | 24 |
| 18th cousin 6 times removed | XLIV | 25 |
| 16th cousin 11 times removed | XLV | 28 |
| 17th cousin 9 times removed | XLV | 27 |
| 19th cousin 5 times removed | XLV | 25 |
| 18th cousin 7 times removed | XLV | 26 |
| Half 20th cousin 4 times removed | XLVI | 25 |
| 20th cousin 4 times removed | XLVI | 25 |
| 16th cousin 12 times removed | XLVI | 29 |
| 19th cousin 6 times removed | XLVI | 26 |
| 18th cousin 8 times removed | XLVI | 27 |
| Half 19th cousin 7 times removed | XLVII | 27 |
| 17th cousin 11 times removed | XLVII | 29 |
| 19th cousin 7 times removed | XLVII | 27 |
| 18th cousin 9 times removed | XLVII | 28 |
| 20th cousin 5 times removed | XLVII | 26 |
| 20th cousin 6 times removed | XLVIII | 27 |
| 21st cousin 5 times removed | XLIX | 27 |
| Half 20th cousin 7 times removed | XLIX | 28 |
| 22nd cousin 3 times removed | XLIX | 26 |
| 20th cousin 7 times removed | XLIX | 28 |