| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 15th cousin 11 times removed | XLIII | 27 |
| 17th cousin 7 times removed | XLIII | 25 |
| 16th cousin 9 times removed | XLIII | 26 |
| Half 18th cousin 6 times removed | XLIV | 25 |
| 18th cousin 6 times removed | XLIV | 25 |
| 14th cousin 14 times removed | XLIV | 29 |
| 17th cousin 8 times removed | XLIV | 26 |
| 16th cousin 10 times removed | XLIV | 27 |
| Half 17th cousin 9 times removed | XLV | 27 |
| 15th cousin 13 times removed | XLV | 29 |
| 17th cousin 9 times removed | XLV | 27 |
| 16th cousin 11 times removed | XLV | 28 |
| 18th cousin 7 times removed | XLV | 26 |
| 18th cousin 8 times removed | XLVI | 27 |
| 19th cousin 7 times removed | XLVII | 27 |
| Half 18th cousin 9 times removed | XLVII | 28 |
| 20th cousin 5 times removed | XLVII | 26 |
| 18th cousin 9 times removed | XLVII | 28 |
| 18th cousin 10 times removed | XLVIII | 29 |
| 18th cousin 11 times removed | XLIX | 30 |
| 19th cousin 9 times removed | XLIX | 29 |
| 19th cousin 10 times removed | L | 30 |
| 20th cousin 8 times removed | L | 29 |
| 18th cousin 12 times removed | L | 31 |
| 19th cousin 11 times removed | LI | 31 |
| 21st cousin 7 times removed | LI | 29 |
| 19th cousin 12 times removed | LII | 32 |
| 21st cousin 8 times removed | LII | 30 |
| 19th cousin 13 times removed | LIII | 33 |
| 21st cousin 9 times removed | LIII | 31 |
| 21st cousin 10 times removed | LIV | 32 |
| 23rd cousin 6 times removed | LIV | 30 |
| 21st cousin 11 times removed | LV | 33 |
| 23rd cousin 7 times removed | LV | 31 |
| 25th cousin 4 times removed | LVI | 30 |
| 23rd cousin 8 times removed | LVI | 32 |
| 24th cousin 7 times removed | LVII | 32 |
| 24th cousin 9 times removed | LIX | 34 |
| 25th cousin 7 times removed | LIX | 33 |
| 23rd cousin 11 times removed | LIX | 35 |
| Via, William I Spencer | 8th great-grandfather | X | 10 |
| Husband of the 11th cousin 7 times removed | | |
| Husband of the 10th cousin 10 times removed | | |
| Husband of the 10th cousin 11 times removed | | |
| Husband of the 11th cousin 10 times removed | | |
| Husband of the half 11th cousin 11 times removed | | |
| Husband of the 13th cousin 9 times removed | | |
| Husband of the half 13th cousin 9 times removed | | |
| Husband of the 12th cousin 11 times removed | | |
| Husband of the 13th cousin 10 times removed | | |