| Name | Relationship with Isabella de Taillefer | Civil | Canon |
|---|
| Blanche | 2nd great-granddaughter | IV | 4 |
| Blanche | 3rd great-granddaughter | V | 5 |
| Wife of the 3rd great-grandson | | |
| Blanche | 5th great-granddaughter | VII | 7 |
| 6th great-granddaughter | VIII | 8 |
| Bloodgood, Francis | Husband of the 18th great-granddaughter | | |
| Husband of the 19th great-granddaughter | | |
| Bolling, Edith | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Bonsall, Eliza Hunt(twin) | 20th great-granddaughter | XXII | 22 |
| 21st great-granddaughter | XXIII | 23 |
| Bonsall, Mary Wyatt | 20th great-granddaughter | XXII | 22 |
| 21st great-granddaughter | XXIII | 23 |
| Bonsall, Sarah (twin) | 20th great-granddaughter | XXII | 22 |
| 21st great-granddaughter | XXIII | 23 |
| Bonsall, Thomas Laycock | Husband of the 19th great-granddaughter | | |
| Husband of the 20th great-granddaughter | | |
| Bonsall, Thomas Vincent | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
| Bonsall, William Carpenter | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
| Brackenridge, Margaret | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Brantly, Laura | Wife of the 20th great-grandson | | |
| Wife of the 21st great-grandson | | |
| Brickey, Henry Grayden | Husband of the 23rd great-granddaughter | | |
| Husband of the 24th great-granddaughter | | |
| Bridgette | Wife of the 25th great-grandson | | |
| Wife of the 26th great-grandson | | |
| Brietzeke, Edmund Henry | 21st great-grandson | XXIII | 23 |
| 22nd great-grandson | XXIV | 24 |
| Brietzeke, Henry | Husband of the 20th great-granddaughter | | |
| Husband of the 21st great-granddaughter | | |
| Brietzeke, Kate Mary Allison | 21st great-granddaughter | XXIII | 23 |
| 22nd great-granddaughter | XXIV | 24 |
| Brigham, Adelaide Hill | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Brigham, Edward Carpenter | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Brigham, Lawrence Fay | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Brigham, Lucian Fay | Husband of the 21st great-granddaughter | | |
| Husband of the 22nd great-granddaughter | | |
| Brigham, Robert Hill | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Briscoe, Frank D. | Husband of the 20th great-granddaughter | | |
| Husband of the 21st great-granddaughter | | |
| Bronson, Elizabeth Duer | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Brooks, Steffini | 25th great-granddaughter | XXVII | 27 |
