| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 11th cousin 17 times removed | XLI | 29 |
| 13th cousin 13 times removed | XLI | 27 |
| 12th cousin 16 times removed | XLII | 29 |
| 13th cousin 14 times removed | XLII | 28 |
| 16th cousin 12 times removed | XLVI | 29 |
| 16th cousin 13 times removed | XLVII | 30 |
| 16th cousin 14 times removed | XLVIII | 31 |
| 16th cousin 15 times removed | XLIX | 32 |
| 16th cousin 16 times removed | L | 33 |
| Lindsay, James Keith | 17th great-granduncle | XXI | 20 |
| 1st cousin 19 times removed | XXIII | 21 |
| 1st cousin 20 times removed | XXIV | 22 |
| 2nd cousin 19 times removed | XXV | 22 |
| Half 2nd cousin 20 times removed | XXVI | 23 |
| 3rd cousin 20 times removed | XXVIII | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 22 times removed | XXXII | 27 |
| 6th cousin 18 times removed | XXXII | 25 |
| 4th cousin 23 times removed | XXXIII | 28 |
| 5th cousin 21 times removed | XXXIII | 27 |
| 6th cousin 19 times removed | XXXIII | 26 |
| 4th cousin 24 times removed | XXXIV | 29 |
| 6th cousin 20 times removed | XXXIV | 27 |
| 5th cousin 23 times removed | XXXV | 29 |
| 6th cousin 21 times removed | XXXV | 28 |
| 9th cousin 19 times removed | XXXIX | 29 |
| 9th cousin 20 times removed | XL | 30 |
| 9th cousin 21 times removed | XLI | 31 |
| 9th cousin 22 times removed | XLII | 32 |
| 9th cousin 23 times removed | XLIII | 33 |
| Lindsay, James Lentran | 11th great-granduncle | XV | 14 |
| 7th cousin 13 times removed | XXIX | 21 |
| 7th cousin 14 times removed | XXX | 22 |
| 8th cousin 13 times removed | XXXI | 22 |
| Half 8th cousin 14 times removed | XXXII | 23 |
| 9th cousin 14 times removed | XXXIV | 24 |
| 10th cousin 14 times removed | XXXVI | 25 |
| 10th cousin 15 times removed | XXXVII | 26 |
| 10th cousin 16 times removed | XXXVIII | 27 |
| 12th cousin 12 times removed | XXXVIII | 25 |
| 10th cousin 17 times removed | XXXIX | 28 |
| 11th cousin 15 times removed | XXXIX | 27 |
| 12th cousin 13 times removed | XXXIX | 26 |
| 10th cousin 18 times removed | XL | 29 |
| 12th cousin 14 times removed | XL | 27 |
| 11th cousin 17 times removed | XLI | 29 |
| 12th cousin 15 times removed | XLI | 28 |
| 15th cousin 13 times removed | XLV | 29 |
| 15th cousin 14 times removed | XLVI | 30 |