| Name | Relationship with Isabella de Taillefer | Civil | Canon |
| 20th great-grandson | XXII | 22 |
| Morris, Robert Clark | Husband of the 18th great-granddaughter | | |
| Husband of the 19th great-granddaughter | | |
| Morris, Robert Joseph | 23rd great-grandson | XXV | 25 |
| 24th great-grandson | XXVI | 26 |
| Morris, Robert Major | 19th great-grandson | XXI | 21 |
| 20th great-grandson | XXII | 22 |
| Morris, Robert Wayne | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Morris, Roberta Meda | 21st great-granddaughter | XXIII | 23 |
| 22nd great-granddaughter | XXIV | 24 |
| Morris, Samuel Grant | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Morris, Shirley Virginia | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Morris, Susan Marshall | 19th great-granddaughter | XXI | 21 |
| 20th great-granddaughter | XXII | 22 |
| Morris, Thelma Fern | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Morris, Verna Helena | 21st great-granddaughter | XXIII | 23 |
| 22nd great-granddaughter | XXIV | 24 |
| Morris, Wayne Sullivan | 23rd great-grandson | XXV | 25 |
| 24th great-grandson | XXVI | 26 |
| Morris, William | 21st great-grandson | XXIII | 23 |
| 22nd great-grandson | XXIV | 24 |
| Morris, William Henry | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Morse, Lilly I. | Wife of the 20th great-grandson | | |
| Wife of the 21st great-grandson | | |
| Mortimer, Virginia Heth Crothers nee | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Morton, Helen Kirkbride | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Morton, Margaret Villiers | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Morton, Mary Waln Wistar | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Morton, Robert | Husband of the 17th great-granddaughter | | |
| Husband of the 18th great-granddaughter | | |
| Morton, Samuel George | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Morton, Sarah Wistar | 22nd great-granddaughter | XXIV | 24 |
| 23rd great-granddaughter | XXV | 25 |
| Morton, Thomas George | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Morton, Thomas Story Kirkbride | Husband of the 21st great-granddaughter | | |
| Husband of the 22nd great-granddaughter | | |
| Moseley, Ben Perley Poore | 22nd great-grandson | XXIV | 24 |
| 23rd great-grandson | XXV | 25 |
| Moseley, Charlotte Chapman | 22nd great-granddaughter | XXIV | 24 |