| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 7th cousin 18 times removed | XXXIV | 26 |
| 6th cousin 21 times removed | XXXV | 28 |
| 5th cousin 23 times removed | XXXV | 29 |
| 8th cousin 17 times removed | XXXV | 26 |
| 7th cousin 19 times removed | XXXV | 27 |
| 6th cousin 22 times removed | XXXVI | 29 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 8th cousin 18 times removed | XXXVI | 27 |
| 7th cousin 20 times removed | XXXVI | 28 |
| 5th cousin 25 times removed | XXXVII | 31 |
| 8th cousin 19 times removed | XXXVII | 28 |
| 7th cousin 21 times removed | XXXVII | 29 |
| 8th cousin 20 times removed | XXXVIII | 29 |
| 7th cousin 22 times removed | XXXVIII | 30 |
| 8th cousin 21 times removed | XXXIX | 30 |
| 7th cousin 23 times removed | XXXIX | 31 |
| 8th cousin 22 times removed | XL | 31 |
| 10th cousin 18 times removed | XL | 29 |
| 11th cousin 16 times removed | XL | 28 |
| 8th cousin 23 times removed | XLI | 32 |
| 11th cousin 17 times removed | XLI | 29 |
| 10th cousin 19 times removed | XLI | 30 |
| 8th cousin 24 times removed | XLII | 33 |
| 11th cousin 18 times removed | XLII | 30 |
| 10th cousin 20 times removed | XLII | 31 |
| 11th cousin 19 times removed | XLIII | 31 |
| 10th cousin 21 times removed | XLIII | 32 |
| 11th cousin 20 times removed | XLIV | 32 |
| 10th cousin 22 times removed | XLIV | 33 |
| 11th cousin 21 times removed | XLV | 33 |
| 11th cousin 22 times removed | XLVI | 34 |
| Douglas, Jean | 12th great-grandmother | XIV | 14 |
| Douglas, Joan | 24th great-grandmother | XXVI | 26 |
| Douglas, Joan Stewart | 19th great-grandaunt | XXIII | 22 |
| Half 1st cousin 19 times removed | XXIII | 21 |
| 1st cousin 19 times removed | XXIII | 21 |
| 1st cousin 21 times removed | XXV | 23 |
| Half 1st cousin 21 times removed | XXV | 23 |
| Half 1st cousin 22 times removed | XXVI | 24 |
| Half 2nd cousin 20 times removed | XXVI | 23 |
| Half 2nd cousin 21 times removed | XXVII | 24 |
| Half 2nd cousin 22 times removed | XXVIII | 25 |
| 4th cousin 19 times removed | XXIX | 24 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 4th cousin 20 times removed | XXX | 25 |
| 3rd cousin 22 times removed | XXX | 26 |
| 5th cousin 19 times removed | XXXI | 25 |
| 4th cousin 21 times removed | XXXI | 26 |
| 5th cousin 20 times removed | XXXII | 26 |
| 4th cousin 22 times removed | XXXII | 27 |