| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Husband of the 7th cousin 23 times removed | | |
| Husband of the 7th cousin 24 times removed | | |
| Husband of the 7th cousin 25 times removed | | |
| Hay, Thomas Of Errol Keith | 21st great-grandfather | XXIII | 23 |
| 5th cousin 19 times removed | XXXI | 25 |
| 5th cousin 20 times removed | XXXII | 26 |
| 5th cousin 21 times removed | XXXIII | 27 |
| 6th cousin 24 times removed | XXXVIII | 31 |
| Husband of the 18th great-grandaunt | | |
| Husband of the 20th great-grandaunt | | |
| Husband of the half 20th great-grandaunt | | |
| Husband of the 21st great-grandaunt | | |
| Husband of the half 1st cousin 22 times removed | | |
| Husband of the half 1st cousin 23 times removed | | |
| Husband of the 3rd cousin 20 times removed | | |
| Husband of the 3rd cousin 21 times removed | | |
| Husband of the 4th cousin 20 times removed | | |
| Husband of the 3rd cousin 22 times removed | | |
| Husband of the 3rd cousin 23 times removed | | |
| Husband of the 4th cousin 21 times removed | | |
| Husband of the 4th cousin 22 times removed | | |
| Husband of the 4th cousin 23 times removed | | |
| Husband of the 4th cousin 24 times removed | | |
| Husband of the 4th cousin 25 times removed | | |
| Husband of the 4th cousin 26 times removed | | |
| Husband of the 7th cousin 21 times removed | | |
| Husband of the 7th cousin 22 times removed | | |
| Husband of the 7th cousin 23 times removed | | |
| Husband of the 7th cousin 24 times removed | | |
| Husband of the 7th cousin 25 times removed | | |
| Hay, William | 27th great-grandfather | XXIX | 29 |
| 1st cousin 28 times removed | XXXII | 30 |
| Hay, William II Of Erroll Douglas | 17th great-granduncle | XXI | 20 |
| 4th cousin 16 times removed | XXVI | 21 |
| Half 4th cousin 16 times removed | XXVI | 21 |
| 3rd cousin 19 times removed | XXVII | 23 |
| 4th cousin 18 times removed | XXVIII | 23 |
| Half 4th cousin 18 times removed | XXVIII | 23 |
| 4th cousin 19 times removed | XXIX | 24 |
| Half 5th cousin 17 times removed | XXIX | 23 |
| 4th cousin 20 times removed | XXX | 25 |
| Half 5th cousin 18 times removed | XXX | 24 |
| 6th cousin 16 times removed | XXX | 23 |
| 6th cousin 17 times removed | XXXI | 24 |
| Half 5th cousin 19 times removed | XXXI | 25 |
| 7th cousin 16 times removed | XXXII | 24 |
| 6th cousin 18 times removed | XXXII | 25 |
| 7th cousin 17 times removed | XXXIII | 25 |
| 6th cousin 19 times removed | XXXIII | 26 |
| 8th cousin 16 times removed | XXXIV | 25 |