| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 29th great-grandmother | XXXI | 31 |
| 31st great-grandmother | XXXIII | 33 |
| 32nd great-grandmother | XXXIV | 34 |
| Bethune, Andrew Inglis | 11th great-granduncle | XV | 14 |
| Bethune, Catherine Inglis | 11th great-grandmother | XIII | 13 |
| Wife of the 7th cousin 13 times removed | | |
| Wife of the 7th cousin 14 times removed | | |
| Wife of the 8th cousin 13 times removed | | |
| Wife of the half 8th cousin 14 times removed | | |
| Wife of the 9th cousin 14 times removed | | |
| Wife of the 10th cousin 14 times removed | | |
| Wife of the 10th cousin 15 times removed | | |
| Wife of the 10th cousin 16 times removed | | |
| Wife of the 12th cousin 12 times removed | | |
| Wife of the 10th cousin 17 times removed | | |
| Wife of the 11th cousin 15 times removed | | |
| Wife of the 12th cousin 13 times removed | | |
| Wife of the 10th cousin 18 times removed | | |
| Wife of the 12th cousin 14 times removed | | |
| Wife of the 11th cousin 17 times removed | | |
| Wife of the 12th cousin 15 times removed | | |
| Wife of the 15th cousin 13 times removed | | |
| Wife of the 15th cousin 14 times removed | | |
| Wife of the 15th cousin 15 times removed | | |
| Wife of the 15th cousin 16 times removed | | |
| Wife of the 15th cousin 17 times removed | | |
| Bethune, David | 13th great-grandfather | XV | 15 |
| Bethune, David Inglis | 11th great-granduncle | XV | 14 |
| Bethune, James Inglis | 11th great-granduncle | XV | 14 |
| Bethune, Janet Inglis | 11th great-grandaunt | XV | 14 |
| Bethune, John Inglis | 11th great-granduncle | XV | 14 |
| Bethune, John Inglis | 11th great-granduncle | XV | 14 |
| Bethune, Robert Inglis | 11th great-granduncle | XV | 14 |
| Bethune, Robert Wardlaw | 12th great-grandfather | XIV | 14 |
| Bethune, William Inglis | 11th great-granduncle | XV | 14 |
| Bicking, Margaret E. | Wife of the 4th cousin twice removed | | |
| Biornsson, Siward | 29th great-grandfather | XXXI | 31 |
| Biset, Henry | 26th great-grandfather | XXVIII | 28 |
| 29th great-grandfather | XXXI | 31 |
| Biset, Margaret Or Annora Clavering | 25th great-grandmother | XXVII | 27 |
| 28th great-grandmother | XXX | 30 |
| Wife of the 4th cousin 25 times removed | | |
| Wife of the 2nd cousin 29 times removed | | |
| Wife of the 3rd cousin 28 times removed | | |
| Wife of the 3rd cousin 30 times removed | | |
| Wife of the 4th cousin 28 times removed | | |
| Wife of the 2nd cousin 32 times removed | | |
| Bitler, Adam Focht | 3rd great-granduncle | VII | 6 |
| Bitler, Daniel | 7th great-grandfather | IX | 9 |
| Bitler, Daniel | Half 5th great-granduncle | IX | 8 |