| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Husband of the 4th cousin 26 times removed | | |
| Husband of the 7th cousin 20 times removed | | |
| Husband of the 7th cousin 21 times removed | | |
| Husband of the 8th cousin 20 times removed | | |
| Husband of the 7th cousin 22 times removed | | |
| Husband of the 8th cousin 21 times removed | | |
| Husband of the 7th cousin 23 times removed | | |
| Husband of the 8th cousin 22 times removed | | |
| Husband of the 7th cousin 24 times removed | | |
| Husband of the 8th cousin 23 times removed | | |
| Husband of the 7th cousin 25 times removed | | |
| Husband of the 8th cousin 24 times removed | | |
| Husband of the 7th cousin 26 times removed | | |
| Hepburn, Robert | 24th great-grandfather | XXVI | 26 |
| Herbert, Ann Bonner | 10th great-grandmother | XII | 12 |
| Wife of the 1st cousin 12 times removed | | |
| Herbert, William | 11th great-grandfather | XIII | 13 |
| Heriot, Helen Swinton | 14th great-grandmother | XVI | 16 |
| Heriot, James | 15th great-grandfather | XVII | 17 |
| Hermann, Apalonia Obermuller | 7th great-grandmother | IX | 9 |
| Wife of the 3rd cousin 11 times removed | | |
| Hermann, Daniel | 8th great-grandfather | X | 10 |
| Herren, Valerie | Wife of the 5th cousin 3 times removed | | |
| Herrmann, Elsbeth | 12th great-grandmother | XIV | 14 |
| Hewett, Anne Leveson | 15th great-grandmother | XVII | 17 |
| Hewett, Nicholas | 17th great-grandfather | XIX | 19 |
| Hewett, William | 16th great-grandfather | XVIII | 18 |
| Hildegarde | 31st great-grandmother | XXXIII | 33 |
| 34th great-grandmother | XXXVI | 36 |
| Hildegarde | 32nd great-grandmother | XXXIV | 34 |
| 35th great-grandmother | XXXVII | 37 |
| Hill, Ragman | 22nd great-grandmother | XXIV | 24 |
| Hillary Or Hillaria | 18th great-grandmother | XX | 20 |
| Hoak, Catherine Seitz | 6th great-grandmother | VIII | 8 |
| Hochstrasser, Margaret | 12th great-grandmother | XIV | 14 |
| Hoffman, Anna Elizabeth | 6th great-grandmother | VIII | 8 |
| Hoffsommer, Hannah S. | Wife of the 3rd cousin 3 times removed | | |
| Hoke, Adam | 7th great-grandfather | IX | 9 |
| Holland, Alan Zouche | 20th great-granduncle | XXIV | 23 |
| 23rd great-granduncle | XXVII | 26 |
| 9th cousin 20 times removed | XL | 30 |
| 7th cousin 24 times removed | XL | 32 |
| 8th cousin 23 times removed | XLI | 32 |
| 8th cousin 25 times removed | XLIII | 34 |
| 9th cousin 23 times removed | XLIII | 33 |
| 7th cousin 27 times removed | XLIII | 35 |
| Holland, Alianore Zouche | 20th great-grandaunt | XXIV | 23 |
| 23rd great-grandaunt | XXVII | 26 |
| 9th cousin 20 times removed | XL | 30 |
| 7th cousin 24 times removed | XL | 32 |