| Name | Relationship with Isabella de Taillefer | Civil | Canon |
|---|
| Husband of the 20th great-granddaughter | | |
| Baker, Preston | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
| Baldwin, Margaretta Willis | Wife of the 20th great-grandson | | |
| Wife of the 21st great-grandson | | |
| Barker, Eleanor | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Barker, Redwood | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Barker, Robert White | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Barker, Rowland | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Barker, Samuel Haydock | Husband of the 21st great-granddaughter | | |
| Husband of the 22nd great-granddaughter | | |
| Bassett, Elizabeth | Wife of the 19th great-grandson | | |
| Wife of the 20th great-grandson | | |
| Bassett, Rebecca | Wife of the 19th great-grandson | | |
| Wife of the 20th great-grandson | | |
| Beadel, Gerald Woodward | 21st great-grandson | XXIII | 23 |
| 22nd great-grandson | XXIV | 24 |
| Beadel, Henry | Husband of the 20th great-granddaughter | | |
| Husband of the 21st great-granddaughter | | |
| Beadel, Henry Ludlow | 21st great-grandson | XXIII | 23 |
| 22nd great-grandson | XXIV | 24 |
| Beatrice | Granddaughter | II | 2 |
| Beatrice | Great-granddaughter | III | 3 |
| Bedell, Bradbury | Husband of the 20th great-granddaughter | | |
| Husband of the 21st great-granddaughter | | |
| Beele, L.Susan | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Bennett, Henry J. | Husband of the 21st great-granddaughter | | |
| Husband of the 22nd great-granddaughter | | |
| Bennett, Sara Woodruff | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Berengaria | Great-granddaughter | III | 3 |
| Berkeley, Elizabeth | Wife of the 5th great-grandson | | |
| Berry, Elizabeth P. | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Bettle, Griscom | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Bettle, Samuel | Husband of the 21st great-granddaughter | | |
| Husband of the 22nd great-granddaughter | | |
| Biddle, Frances Canby | Wife of the 20th great-grandson | | |
| Wife of the 21st great-grandson | | |
| Birtles, Catherine Bird nee | Wife of the 19th great-grandson | | |
| Wife of the 20th great-grandson | | |
| Black, James H. | Husband of the 21st great-granddaughter | | |
| Husband of the 22nd great-granddaughter | | |
| Blanche | Great-granddaughter | III | 3 |
