| Name | Relationship with Anton Brehm | Civil | Canon |
| Caslavka, Dianna Lynn | 3rd great-granddaughter | V | 5 |
| Caslavka, Nancy Marie | 3rd great-granddaughter | V | 5 |
| Caslavka, Robert | Husband of the 2nd great-granddaughter | | |
| Castro, Victoria | Wife of the 4th great-grandson | | |
| Chalfant, Cindy Dee | Wife of the 4th great-grandson | | |
| Chasley | Wife of the 4th great-grandson | | |
| Christian, Cierra Elizabeth | 5th great-granddaughter | VII | 7 |
| Christian, David | Husband of the 4th great-granddaughter | | |
| Christian, Talon David | 5th great-grandson | VII | 7 |
| Clark, Ira T. | Husband of the 2nd great-granddaughter | | |
| Clark, John Franklin | Husband of the 2nd great-granddaughter | | |
| Clark, Kathleen Ann | Wife of the 3rd great-grandson | | |
| Clark, Thomas Ira | 3rd great-grandson | V | 5 |
| Clay, Francine Lemle | Wife of the 3rd great-grandson | | |
| Clements, Brett Jerome | 4th great-grandson | VI | 6 |
| Clements, Bryan Harrold | 4th great-grandson | VI | 6 |
| Clements, Channon | 4th great-granddaughter | VI | 6 |
| Clements, Harrold Edward | Husband of the 3rd great-granddaughter | | |
| Clements, Marcia Marie | 4th great-granddaughter | VI | 6 |
| Clements, Matthew | 4th great-grandson | VI | 6 |
| Clements, Ralph | Husband of the 3rd great-granddaughter | | |
| Cochlin, David | Husband of the 3rd great-granddaughter | | |
| Cochlin, Kathie Renee | 4th great-granddaughter | VI | 6 |
| Cole, Ashlyn Jayde | 5th great-granddaughter | VII | 7 |
| Cole, Carlyn Lane | 5th great-granddaughter | VII | 7 |
| Cole, Dan | Husband of the 4th great-granddaughter | | |
| Conklin, Sharon | Wife of the 3rd great-grandson | | |
| Conley, Kathy | Wife of the 3rd great-grandson | | |
| Connell, Allen Hugh | 4th great-grandson | VI | 6 |
| Connell, Dave | Husband of the 3rd great-granddaughter | | |
| Connell, Terry James | 4th great-grandson | VI | 6 |
| Connell, Todd David | 4th great-grandson | VI | 6 |
| Cook, Kris | Husband of the 4th great-granddaughter | | |
| Cook, Michele Leslie Bilak | Wife of the 3rd great-grandson | | |
| Cooper, W. A. | Husband of the granddaughter | | |
| Counts, Harrison | 5th great-grandson | VII | 7 |
| Counts, Kathy | Wife of the 4th great-grandson | | |
| Counts, Kelly | 5th great-granddaughter | VII | 7 |
| Cousyn, Evelyn Marie | Wife of the 3rd great-grandson | | |
| Creig, Martha Olive | Wife of the 2nd great-grandson | | |
| Crockett, David Eugene | Husband of the 3rd great-granddaughter | | |
| Crockett, Nicholas Robert | 4th great-grandson | VI | 6 |
| Crockett, Titus Roland | 4th great-grandson | VI | 6 |
| Croft, Gladys | Wife of the 2nd great-grandson | | |
| Cronk, Charles Steven | 5th great-grandson | VII | 7 |
| Cronk, Erica Elizabeth | 5th great-granddaughter | VII | 7 |
| Cronk, Jo Ann | Wife of the 3rd great-grandson | | |
| Cronk, Nicole Breanne | 5th great-granddaughter | VII | 7 |
| Cronk, Shawn Joy | 4th great-granddaughter | VI | 6 |
| Cronk, Steven Lawrence | 4th great-grandson | VI | 6 |