| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 6th cousin 27 times removed | XLI | 34 |
| Gray, David Gifford | 23rd great-grandfather | XXV | 25 |
| 6th cousin 24 times removed | XXXVIII | 31 |
| Half 5th cousin 27 times removed | XXXIX | 33 |
| 6th cousin 27 times removed | XLI | 34 |
| 7th cousin 26 times removed | XLII | 34 |
| Gray, John Of Broxmouth | 22nd great-grandfather | XXIV | 24 |
| 7th cousin 23 times removed | XXXIX | 31 |
| Half 6th cousin 26 times removed | XL | 33 |
| 7th cousin 26 times removed | XLII | 34 |
| 8th cousin 25 times removed | XLIII | 34 |
| Gray, Margaret | 20th great-grandmother | XXII | 22 |
| 9th cousin 21 times removed | XLI | 31 |
| Half 8th cousin 24 times removed | XLII | 33 |
| 9th cousin 24 times removed | XLIV | 34 |
| 10th cousin 23 times removed | XLV | 34 |
| Wife of the 1st cousin 19 times removed | | |
| Wife of the 20th great-granduncle | | |
| Wife of the 1st cousin 21 times removed | | |
| Wife of the half 1st cousin 21 times removed | | |
| Wife of the 1st cousin 22 times removed | | |
| Wife of the half 2nd cousin 21 times removed | | |
| Wife of the half 2nd cousin 22 times removed | | |
| Wife of the 4th cousin 19 times removed | | |
| Wife of the 4th cousin 20 times removed | | |
| Wife of the 5th cousin 19 times removed | | |
| Wife of the 4th cousin 21 times removed | | |
| Wife of the 6th cousin 18 times removed | | |
| Wife of the 4th cousin 22 times removed | | |
| Wife of the 5th cousin 20 times removed | | |
| Wife of the 5th cousin 21 times removed | | |
| Wife of the 6th cousin 19 times removed | | |
| Wife of the 5th cousin 22 times removed | | |
| Wife of the 6th cousin 20 times removed | | |
| Wife of the 5th cousin 23 times removed | | |
| Wife of the 5th cousin 24 times removed | | |
| Wife of the 5th cousin 25 times removed | | |
| Wife of the 8th cousin 20 times removed | | |
| Wife of the 7th cousin 23 times removed | | |
| Wife of the 8th cousin 21 times removed | | |
| Wife of the 8th cousin 22 times removed | | |
| Wife of the 8th cousin 23 times removed | | |
| Wife of the 8th cousin 24 times removed | | |
| Gray, Patrick Of Broxmouth | 21st great-grandfather | XXIII | 23 |
| 8th cousin 22 times removed | XL | 31 |
| Half 7th cousin 25 times removed | XLI | 33 |
| 8th cousin 25 times removed | XLIII | 34 |
| 9th cousin 24 times removed | XLIV | 34 |
| Gray, Thomas Of Heton | 24th great-granduncle | XXVIII | 27 |
| 5th cousin 25 times removed | XXXVII | 31 |