| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Wife of the 8th cousin 19 times removed | | |
| Wife of the 9th cousin 18 times removed | | |
| Wife of the 8th cousin 20 times removed | | |
| Wife of the 10th cousin 18 times removed | | |
| Wife of the 10th cousin 19 times removed | | |
| Wife of the 10th cousin 20 times removed | | |
| Wife of the 10th cousin 21 times removed | | |
| Wife of the 10th cousin 22 times removed | | |
| Crichton, John | 18th great-grandfather | XX | 20 |
| 19th great-grandfather | XXI | 21 |
| Crichton, William | 17th great-grandfather | XIX | 19 |
| 18th great-grandfather | XX | 20 |
| Cruikshanks, Elizabeth | 19th great-grandmother | XXI | 21 |
| 20th great-grandmother | XXII | 22 |
| Wife of the 6th cousin 20 times removed | | |
| Wife of the 5th cousin 22 times removed | | |
| Wife of the 6th cousin 21 times removed | | |
| Wife of the 5th cousin 23 times removed | | |
| Cummings, Elizabeth | Wife of the 2nd cousin 6 times removed | | |
| Cupper, Dorothy Peyto | 14th great-grandmother | XVI | 16 |
| Cupper, John | 15th great-grandfather | XVII | 17 |
| Cusic, Martha Jane | Great-grandmother of the husband | | |
| Dalgliesh, James | 13th great-grandfather | XV | 15 |
| Dalgliesh, Margaret Douglas | 11th great-grandmother | XIII | 13 |
| Wife of the 8th cousin 10 times removed | | |
| Wife of the 10th cousin 12 times removed | | |
| Wife of the half 10th cousin 12 times removed | | |
| Wife of the 10th cousin 13 times removed | | |
| Wife of the half 11th cousin 12 times removed | | |
| Wife of the half 11th cousin 13 times removed | | |
| Wife of the half 13th cousin 10 times removed | | |
| Wife of the 13th cousin 10 times removed | | |
| Wife of the 13th cousin 11 times removed | | |
| Wife of the half 14th cousin 10 times removed | | |
| Wife of the 14th cousin 10 times removed | | |
| Wife of the 13th cousin 12 times removed | | |
| Wife of the half 13th cousin 13 times removed | | |
| Wife of the 13th cousin 13 times removed | | |
| Wife of the 14th cousin 11 times removed | | |
| Wife of the 14th cousin 12 times removed | | |
| Wife of the 15th cousin 11 times removed | | |
| Wife of the half 14th cousin 13 times removed | | |
| Wife of the 16th cousin 9 times removed | | |
| Wife of the 14th cousin 13 times removed | | |
| Wife of the 14th cousin 14 times removed | | |
| Wife of the 14th cousin 15 times removed | | |
| Wife of the 15th cousin 14 times removed | | |
| Wife of the 16th cousin 12 times removed | | |
| Wife of the 14th cousin 16 times removed | | |
| Wife of the 17th cousin 11 times removed | | |