| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 5th cousin 27 times removed | XXXIX | 33 |
| Bruce, Thomas MacDowall | 21st great-granduncle | XXV | 24 |
| 22nd great-granduncle | XXVI | 25 |
| 23rd great-granduncle | XXVII | 26 |
| 24th great-granduncle | XXVIII | 27 |
| 2nd cousin 22 times removed | XXVIII | 25 |
| 25th great-granduncle | XXIX | 28 |
| 2nd cousin 23 times removed | XXIX | 26 |
| 26th great-granduncle | XXX | 29 |
| 2nd cousin 24 times removed | XXX | 27 |
| 2nd cousin 25 times removed | XXXI | 28 |
| 5th cousin 23 times removed | XXXV | 29 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 5th cousin 25 times removed | XXXVII | 31 |
| 5th cousin 26 times removed | XXXVIII | 32 |
| 5th cousin 27 times removed | XXXIX | 33 |
| Brus, John | 22nd great-granduncle | XXVI | 25 |
| 23rd great-granduncle | XXVII | 26 |
| 24th great-granduncle | XXVIII | 27 |
| 25th great-granduncle | XXIX | 28 |
| 26th great-granduncle | XXX | 29 |
| 27th great-granduncle | XXXI | 30 |
| Brus, Richard | 22nd great-granduncle | XXVI | 25 |
| 23rd great-granduncle | XXVII | 26 |
| 24th great-granduncle | XXVIII | 27 |
| 25th great-granduncle | XXIX | 28 |
| 26th great-granduncle | XXX | 29 |
| 27th great-granduncle | XXXI | 30 |
| Brus, William | 22nd great-granduncle | XXVI | 25 |
| 23rd great-granduncle | XXVII | 26 |
| 24th great-granduncle | XXVIII | 27 |
| 25th great-granduncle | XXIX | 28 |
| 26th great-granduncle | XXX | 29 |
| 27th great-granduncle | XXXI | 30 |
| Buch, Michael | 7th great-grandfather | IX | 9 |
| Burgundy, Regnuald | 37th great-grandfather | XXXIX | 39 |
| 38th great-grandfather | XL | 40 |
| Burkhard, Verena | 9th great-grandmother | XI | 11 |
| Burkhardt, Anna Babille | 10th great-grandmother | XII | 12 |
| Burkhardt, Jacob Or Veit | 11th great-grandfather | XIII | 13 |
| Burkhardt, Martin | 12th great-grandfather | XIV | 14 |
| Burley, Elizabeth | 24th great-grandmother | XXVI | 26 |
| Burnet, Susannah Clark | 12th great-grandmother | XIV | 14 |
| 13th great-grandmother | XV | 15 |
| Burnett, Ralph | 13th great-grandfather | XV | 15 |
| 14th great-grandfather | XVI | 16 |
| Burns, Mary "Polly" | 5th great-grandmother | VII | 7 |
| Wife of the 11th cousin 6 times removed | | |
| Wife of the 10th cousin 8 times removed | | |
| Wife of the 11th cousin 7 times removed | | |