| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Gifford, Hugh Or Hugo Of Yester | 25th great-grandfather | XXVII | 27 |
| Gifford, Janet | 22nd great-grandmother | XXIV | 24 |
| 23rd great-grandmother | XXV | 25 |
| Gifford, Janet Or Margaret | 26th great-grandaunt | XXX | 29 |
| Gifford, Joana Douglas | 21st great-grandmother | XXIII | 23 |
| 20th great-grandaunt | XXIV | 23 |
| 2nd cousin 20 times removed | XXVI | 23 |
| 2nd cousin 22 times removed | XXVIII | 25 |
| 3rd cousin 20 times removed | XXVIII | 24 |
| 2nd cousin 23 times removed | XXIX | 26 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 3rd cousin 22 times removed | XXX | 26 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 4th cousin 21 times removed | XXXI | 26 |
| 4th cousin 22 times removed | XXXII | 27 |
| 4th cousin 23 times removed | XXXIII | 28 |
| 4th cousin 24 times removed | XXXIV | 29 |
| 4th cousin 25 times removed | XXXV | 30 |
| 4th cousin 26 times removed | XXXVI | 31 |
| 7th cousin 21 times removed | XXXVII | 29 |
| 7th cousin 22 times removed | XXXVIII | 30 |
| 7th cousin 23 times removed | XXXIX | 31 |
| 7th cousin 24 times removed | XL | 32 |
| 7th cousin 25 times removed | XLI | 33 |
| Wife of the 3rd cousin 22 times removed | | |
| Wife of the 6th cousin 17 times removed | | |
| Wife of the 7th cousin 18 times removed | | |
| Wife of the 7th cousin 19 times removed | | |
| Wife of the 7th cousin 20 times removed | | |
| Wife of the 7th cousin 21 times removed | | |
| Wife of the 7th cousin 22 times removed | | |
| Gifford, John | 22nd great-grandfather | XXIV | 24 |
| 23rd great-grandfather | XXV | 25 |
| Gifford, John Of Yester | 25th great-granduncle | XXIX | 28 |
| Gifford, Osbert | 28th great-grandfather | XXX | 30 |
| Gifford, Osborne Crepon | 34th great-granduncle | XXXVIII | 37 |
| 35th great-granduncle | XXXIX | 38 |
| Gifford, Rohese Fleitel | 32nd great-grandmother | XXXIV | 34 |
| 33rd great-grandmother | XXXV | 35 |
| Gifford, Walter Crepon | 33rd great-grandfather | XXXV | 35 |
| 34th great-grandfather | XXXVI | 36 |
| Gifford, Walter Fleitel | 32nd great-granduncle | XXXVI | 35 |
| 33rd great-granduncle | XXXVII | 36 |
| Gifford, William Of Yester | 26th great-grandfather | XXVIII | 28 |
| Gigges, Eleanor | 21st great-grandmother | XXIII | 23 |
| Gigges, Thomas | 22nd great-grandfather | XXIV | 24 |
| Gilbert, Mollie | 9th great-grandmother | XI | 11 |
| Gilberten, Hannah Gesbert | Wife of the 1st cousin 7 times removed | | |
| Gilley, Jean Or Jenny | 6th great-grandmother | VIII | 8 |
| Glass, Christian Albright | 4th great-grandaunt | VIII | 7 |