| Name | Relationship with Isabella de Taillefer | Civil | Canon |
|---|
| Constance | Wife of the 3rd great-grandson | | |
| Conwall, Mary Conghill | Wife of the 20th great-grandson | | |
| Wife of the 21st great-grandson | | |
| Cope, Nettie | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Coxe, Mary Louise | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Crandell, Cleveland M. | Husband of the 20th great-granddaughter | | |
| Husband of the 21st great-granddaughter | | |
| Crawford, Mary | Wife of the 21st great-grandson | | |
| Wife of the 22nd great-grandson | | |
| Cripps, Hannah | Wife of the 16th great-grandson | | |
| Wife of the 17th great-grandson | | |
| Cullen, Bettie | Wife of the 20th great-grandson | | |
| Wife of the 21st great-grandson | | |
| Cupp, Albert L. | Husband of the 22nd great-granddaughter | | |
| Husband of the 23rd great-granddaughter | | |
| Cupp, Eunice Josephine (Josie) | Wife of the 22nd great-grandson | | |
| Wife of the 23rd great-grandson | | |
| Daily, Mary June | Wife of the 24th great-grandson | | |
| Wife of the 25th great-grandson | | |
| Daniels, Elvira A. | Wife of the 19th great-grandson | | |
| Wife of the 20th great-grandson | | |
| Darnell, Alice | Wife of the 22nd great-grandson | | |
| Wife of the 23rd great-grandson | | |
| David II | Husband of the 2nd great-granddaughter | | |
| Davis, Annie R. | 21st great-granddaughter | XXIII | 23 |
| 22nd great-granddaughter | XXIV | 24 |
| Davis, David | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
| Davis, David II | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
| Davis, David M. | Husband of the 19th great-granddaughter | | |
| Husband of the 20th great-granddaughter | | |
| Davis, Ellen Matlack | 20th great-granddaughter | XXII | 22 |
| 21st great-granddaughter | XXIII | 23 |
| Davis, Franklin | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
| Davis, Hannah Smith | 20th great-granddaughter | XXII | 22 |
| 21st great-granddaughter | XXIII | 23 |
| Davis, Henry Clement | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
| Davis, Mary H. | 20th great-granddaughter | XXII | 22 |
| 21st great-granddaughter | XXIII | 23 |
| Davis, Matlack | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
| Davis, Rosa | 21st great-granddaughter | XXIII | 23 |
| 22nd great-granddaughter | XXIV | 24 |
| Davis, Smith | 20th great-grandson | XXII | 22 |
| 21st great-grandson | XXIII | 23 |
