| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 5th cousin 21 times removed | XXXIII | 27 |
| 5th cousin 22 times removed | XXXIV | 28 |
| 5th cousin 23 times removed | XXXV | 29 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 5th cousin 25 times removed | XXXVII | 31 |
| 8th cousin 20 times removed | XXXVIII | 29 |
| 8th cousin 21 times removed | XXXIX | 30 |
| 8th cousin 22 times removed | XL | 31 |
| 8th cousin 23 times removed | XLI | 32 |
| 8th cousin 24 times removed | XLII | 33 |
| Douglas, Joanna Or Joan | 21st great-grandmother | XXIII | 23 |
| 22nd great-grandmother | XXIV | 24 |
| 1st cousin 21 times removed | XXV | 23 |
| 1st cousin 23 times removed | XXVII | 25 |
| 2nd cousin 21 times removed | XXVII | 24 |
| 1st cousin 24 times removed | XXVIII | 26 |
| 2nd cousin 22 times removed | XXVIII | 25 |
| 2nd cousin 23 times removed | XXIX | 26 |
| 2nd cousin 24 times removed | XXX | 27 |
| 3rd cousin 22 times removed | XXX | 26 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 3rd cousin 24 times removed | XXXII | 28 |
| 3rd cousin 25 times removed | XXXIII | 29 |
| 3rd cousin 26 times removed | XXXIV | 30 |
| 3rd cousin 27 times removed | XXXV | 31 |
| 6th cousin 22 times removed | XXXVI | 29 |
| 6th cousin 23 times removed | XXXVII | 30 |
| 6th cousin 24 times removed | XXXVIII | 31 |
| 6th cousin 25 times removed | XXXIX | 32 |
| 6th cousin 26 times removed | XL | 33 |
| Douglas, John | 19th great-granduncle | XXIII | 22 |
| Half 20th great-granduncle | XXIV | 23 |
| 21st great-granduncle | XXV | 24 |
| 22nd great-granduncle | XXVI | 25 |
| 2nd cousin 21 times removed | XXVII | 24 |
| 1st cousin 23 times removed | XXVII | 25 |
| 1st cousin 24 times removed | XXVIII | 26 |
| 2nd cousin 22 times removed | XXVIII | 25 |
| 2nd cousin 23 times removed | XXIX | 26 |
| 2nd cousin 24 times removed | XXX | 27 |
| 3rd cousin 22 times removed | XXX | 26 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 3rd cousin 24 times removed | XXXII | 28 |
| 3rd cousin 25 times removed | XXXIII | 29 |
| 3rd cousin 26 times removed | XXXIV | 30 |
| 3rd cousin 27 times removed | XXXV | 31 |
| 6th cousin 22 times removed | XXXVI | 29 |
| 6th cousin 23 times removed | XXXVII | 30 |
| 6th cousin 24 times removed | XXXVIII | 31 |
| 6th cousin 25 times removed | XXXIX | 32 |