| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Alexander, Janet Graham | 12th great-grandaunt | XVI | 15 |
| Alexander, John Erskine | 13th great-grandfather | XV | 15 |
| Alexander, John Forges | 16th great-granduncle | XX | 19 |
| Alexander, John Graham | 12th great-grandfather | XIV | 14 |
| Alexander, John Scarborough | 11th great-granduncle | XV | 14 |
| Alexander, Marion Forges | 16th great-grandaunt | XX | 19 |
| Alexander, Mary Ann Thomas Dent | 8th great-grandmother | X | 10 |
| 3rd cousin 10 times removed | XVIII | 14 |
| Alexander, Phillip Scarborough | 11th great-granduncle | XV | 14 |
| Alexander, Robert Erskine | 13th great-granduncle | XVII | 16 |
| Alexander, Robert I Scarborough | 11th great-grandfather | XIII | 13 |
| Alexander, Robert II Ashton | 10th great-grandfather | XII | 12 |
| Husband of the 1st cousin 12 times removed | | |
| Alexander, Sarah Scarborough | 11th great-grandaunt | XV | 14 |
| Alexander, William B. Forges | 16th great-grandfather | XVIII | 18 |
| Alexander, William Coultie | 14th great-grandfather | XVI | 16 |
| Alexander, William Erskine | 13th great-granduncle | XVII | 16 |
| Alexander, William Thorton Scarborough | 11th great-granduncle | XV | 14 |
| Alfreton, Amicia | 26th great-grandmother | XXVIII | 28 |
| Alfreton, Robert | 27th great-grandfather | XXIX | 29 |
| Alice | 25th great-grandmother | XXVII | 27 |
| Alice | 24th great-grandmother | XXVI | 26 |
| 25th great-grandmother | XXVII | 27 |
| Wife of the 1st cousin 25 times removed | | |
| Wife of the 1st cousin 26 times removed | | |
| Aline | 25th great-grandmother | XXVII | 27 |
| 26th great-grandmother | XXVIII | 28 |
| 27th great-grandmother | XXIX | 29 |
| 28th great-grandmother | XXX | 30 |
| 29th great-grandmother | XXXI | 31 |
| Wife of the 1st cousin 26 times removed | | |
| Wife of the 1st cousin 27 times removed | | |
| Wife of the 1st cousin 28 times removed | | |
| Wife of the 1st cousin 29 times removed | | |
| Wife of the 1st cousin 30 times removed | | |
| Wife of the 1st cousin 31 times removed | | |
| Wife of the 1st cousin 32 times removed | | |
| Anjou, Arsinde | 33rd great-grandmother | XXXV | 35 |
| 36th great-grandmother | XXXVIII | 38 |
| Ann | 9th great-grandmother | XI | 11 |
| Ann | 8th great-grandmother | X | 10 |
| Ann | 8th great-grandmother | X | 10 |
| Anna | 8th great-grandmother | X | 10 |
| 9th great-grandmother | XI | 11 |
| Anna Catharina | 7th great-grandmother | IX | 9 |
| Anna Katharina | Wife of the 7th great-granduncle | | |
| Anna R. | 15th great-grandmother | XVII | 17 |
| Annabel | 22nd great-grandmother | XXIV | 24 |
| Annabella | 27th great-grandmother | XXIX | 29 |
| 28th great-grandmother | XXX | 30 |