| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Beaumont, Robert | 33rd great-grandfather | XXXV | 35 |
| Beaumont, Robert | 32nd great-grandfather | XXXIV | 34 |
| Beaumont, Robert Vermandois | 31st great-grandfather | XXXIII | 33 |
| Beaumont, Waleran Vermandois | 31st great-granduncle | XXXV | 34 |
| Beaver, Barbara | 6th great-grandmother | VIII | 8 |
| Becher, Frederica Or Friederike | 3rd great-grandmother | V | 5 |
| Belcher, Ann | 8th great-grandmother | X | 10 |
| 9th great-grandmother | XI | 11 |
| Belhouse, Katherine | 18th great-grandmother | XX | 20 |
| Belleme, Mabile | 29th great-grandmother | XXXI | 31 |
| 30th great-grandmother | XXXII | 32 |
| 31st great-grandmother | XXXIII | 33 |
| Bellhouse, Alice | 25th great-grandmother | XXVII | 27 |
| Bellhouse, John | 26th great-grandfather | XXVIII | 28 |
| Belmeis, Adelicia Or Alice Meschines | 26th great-grandmother | XXVIII | 28 |
| 29th great-grandmother | XXXI | 31 |
| 2nd cousin 29 times removed | XXXV | 32 |
| 2nd cousin 31 times removed | XXXVII | 34 |
| Wife of the 3rd cousin 26 times removed | | |
| Wife of the 1st cousin 30 times removed | | |
| Wife of the 3rd cousin 29 times removed | | |
| Wife of the 1st cousin 33 times removed | | |
| Belmeis, Phillip | 27th great-grandfather | XXIX | 29 |
| 30th great-grandfather | XXXII | 32 |
| Husband of the 1st cousin 30 times removed | | |
| Husband of the 1st cousin 32 times removed | | |
| Belmeis, Richard | 29th great-grandfather | XXXI | 31 |
| 32nd great-grandfather | XXXIV | 34 |
| Belmeis, Walter | 28th great-grandfather | XXX | 30 |
| 31st great-grandfather | XXXIII | 33 |
| Bennett, John | 13th great-grandfather | XV | 15 |
| Bennett, Katherine | 12th great-grandmother | XIV | 14 |
| Berclay, Patrick | 17th great-grandfather | XIX | 19 |
| Berenger, Eleanor Of Provence | 23rd great-grandmother | XXV | 25 |
| 26th great-grandmother | XXVIII | 28 |
| 24th great-grandaunt | XXVIII | 27 |
| 27th great-grandaunt | XXXI | 30 |
| Berenger, Margaret | 24th great-grandmother | XXVI | 26 |
| 23rd great-grandaunt | XXVII | 26 |
| 27th great-grandmother | XXIX | 29 |
| 26th great-grandaunt | XXX | 29 |
| Wife of the 23rd great-granduncle | | |
| Wife of the 26th great-granduncle | | |
| Berenger, Raymond V | 24th great-grandfather | XXVI | 26 |
| 25th great-grandfather | XXVII | 27 |
| 27th great-grandfather | XXIX | 29 |
| 28th great-grandfather | XXX | 30 |
| Berry, Elizabeth | 12th great-grandmother | XIV | 14 |
| 13th great-grandmother | XV | 15 |
| Bertha | 28th great-grandmother | XXX | 30 |