| Name | Relationship with Gilbert de Clare | Civil | Canon |
|---|
| Brown, Joseph Francis | 20th great-grandson | XXII | 22 |
| Brown, Joseph Francis | 21st great-grandson | XXIII | 23 |
| Brown, Lydia P. | 21st great-granddaughter | XXIII | 23 |
| Brown, Lydia Wistar | 22nd great-granddaughter | XXIV | 24 |
| Brown, Margery Coldstream | 22nd great-granddaughter | XXIV | 24 |
| Brown, Mary | 22nd great-granddaughter | XXIV | 24 |
| Brown, Mary Frances | 21st great-granddaughter | XXIII | 23 |
| Brown, Mary Waln Wistar | 21st great-granddaughter | XXIII | 23 |
| Brown, Moses | Husband of the 20th great-granddaughter | | |
| Brown, Moses | 21st great-grandson | XXIII | 23 |
| Brown, Moses | 22nd great-grandson | XXIV | 24 |
| Brown, Rhoda Menzies | 22nd great-granddaughter | XXIV | 24 |
| Brown, Thomas S. | 21st great-grandson | XXIII | 23 |
| Brown, Thomas Wistar | 21st great-grandson | XXIII | 23 |
| Brown, Thomas Wistar | 22nd great-grandson | XXIV | 24 |
| Brown, William Henry | 20th great-grandson | XXII | 22 |
| Brown, William Henry | 21st great-grandson | XXIII | 23 |
| Brown, William Wistar | 21st great-grandson | XXIII | 23 |
| Brown, William Wistar | 22nd great-grandson | XXIV | 24 |
| Bryan, George S. | Husband of the 19th great-granddaughter | | |
| Bryan, Mary E. | 20th great-granddaughter | XXII | 22 |
| Buchanan, Alexis Rene | 26th great-granddaughter | XXVIII | 28 |
| Buchanon, Benjamin | 25th great-grandson | XXVII | 27 |
| Buchanon, Damien Lloyd | 26th great-grandson | XXVIII | 28 |
| Buchanon, Joseph | 25th great-grandson | XXVII | 27 |
| Buchanon, Ron | Ex-husband of the 24th great-granddaughter | | |
| Buchanon, Scott | 25th great-grandson | XXVII | 27 |
| Buntin, Mary | Wife of the 20th great-grandson | | |
| Burch, Mary Caroline | Wife of the 20th great-grandson | | |
| Burton, Clyde | Husband of the 22nd great-granddaughter | | |
| Butterworth, Husband | Husband of the 21st great-granddaughter | | |
| C, Winthrop, Ellet | 21st great-grandson | XXIII | 23 |
| Cabell, Charles Ellet | 21st great-grandson | XXIII | 23 |
| Cabell, Elvira Daniel | 21st great-granddaughter | XXIII | 23 |
| Cabell, Margaret | 21st great-granddaughter | XXIII | 23 |
| Cabell, Mayo | 21st great-grandchild | XXIII | 23 |
| Cabell, Nina Ellet | 21st great-granddaughter | XXIII | 23 |
| Cabell, William | 21st great-grandson | XXIII | 23 |
| Cabell, William Daniel | Husband of the 20th great-granddaughter | | |
| Campbell, Emily Elida Halleck | Wife of the 20th great-grandson | | |
| Cargill, Alfred Frances | 20th great-grandson | XXII | 22 |
| Cargill, Ann Jane | 20th great-granddaughter | XXII | 22 |
| Cargill, Catherine Yates | 20th great-granddaughter | XXII | 22 |
| Cargill, Clive Napier | 21st great-grandson | XXIII | 23 |
| Cargill, Colin Lee | 21st great-grandson | XXIII | 23 |
| Cargill, Elizabeth MacFadyen | 20th great-granddaughter | XXII | 22 |
| Cargill, Ellen Constance | 20th great-granddaughter | XXII | 22 |
| Cargill, Gethin Deveridge | 21st great-grandson | XXIII | 23 |
| Cargill, John Kenneth | 21st great-grandson | XXIII | 23 |
| Cargill, Louisa Catherine Smythan | 20th great-granddaughter | XXII | 22 |
