| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 17th cousin 11 times removed | XLVII | 29 |
| 17th cousin 12 times removed | XLVIII | 30 |
| 18th cousin 10 times removed | XLVIII | 29 |
| 16th cousin 14 times removed | XLVIII | 31 |
| 17th cousin 13 times removed | XLIX | 31 |
| 19th cousin 9 times removed | XLIX | 29 |
| 17th cousin 14 times removed | L | 32 |
| 19th cousin 10 times removed | L | 30 |
| 17th cousin 15 times removed | LI | 33 |
| 19th cousin 11 times removed | LI | 31 |
| 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 |
| 23rd cousin 6 times removed | LIV | 30 |
| 21st cousin 10 times removed | LIV | 32 |
| 22nd cousin 9 times removed | LV | 32 |
| 22nd cousin 11 times removed | LVII | 34 |
| 23rd cousin 9 times removed | LVII | 33 |
| 21st cousin 13 times removed | LVII | 35 |
| Cranston, James | 13th great-grandfather | XV | 15 |
| Husband of the 6th cousin 12 times removed | | |
| Husband of the 8th cousin 14 times removed | | |
| Husband of the half 8th cousin 14 times removed | | |
| Husband of the 8th cousin 15 times removed | | |
| Husband of the half 9th cousin 14 times removed | | |
| Husband of the half 9th cousin 15 times removed | | |
| Husband of the half 11th cousin 12 times removed | | |
| Husband of the 11th cousin 12 times removed | | |
| Husband of the 11th cousin 13 times removed | | |
| Husband of the half 12th cousin 12 times removed | | |
| Husband of the 12th cousin 12 times removed | | |
| Husband of the 11th cousin 14 times removed | | |
| Husband of the half 11th cousin 15 times removed | | |
| Husband of the 11th cousin 15 times removed | | |
| Husband of the 12th cousin 13 times removed | | |
| Husband of the 12th cousin 14 times removed | | |
| Husband of the 13th cousin 13 times removed | | |
| Husband of the half 12th cousin 15 times removed | | |
| Husband of the 14th cousin 11 times removed | | |
| Husband of the 12th cousin 15 times removed | | |
| Husband of the 12th cousin 16 times removed | | |
| Husband of the 12th cousin 17 times removed | | |
| Husband of the 13th cousin 16 times removed | | |
| Husband of the 14th cousin 14 times removed | | |
| Husband of the 12th cousin 18 times removed | | |
| Husband of the 15th cousin 13 times removed | | |
| Husband of the 15th cousin 14 times removed | | |
| Husband of the 15th cousin 15 times removed | | |
| Husband of the 15th cousin 16 times removed | | |