| Name | Relationship with Asa Riddle | Civil | Canon |
| Riddle, Calvin | 3rd cousin | VIII | 4 |
| RIDDLE, CARLO E. | 1st cousin twice removed | VI | 4 |
| 1st cousin 3 times removed | VII | 5 |
| RIDDLE, CAROL ANN | 3rd great-granddaughter | V | 5 |
| Riddle, Carolyn Elizabeth | 3rd cousin once removed | IX | 5 |
| RIDDLE, CAROLYN JOYCE | Great-granddaughter | III | 3 |
| Riddle, Carrie | 3rd cousin twice removed | X | 6 |
| Riddle, Caswell Archer | 3rd cousin once removed | IX | 5 |
| RIDDLE, CATHERINE | 1st cousin once removed | V | 3 |
| Riddle, Catherine | 3rd cousin once removed | IX | 5 |
| Riddle, Catherine B. | 3rd cousin twice removed | X | 6 |
| Riddle, Cato | 2nd cousin once removed | VII | 4 |
| Riddle, Cato | 3rd cousin | VIII | 4 |
| Riddle, Cato Harmon | 3rd cousin once removed | IX | 5 |
| Riddle, Celia | 3rd cousin | VIII | 4 |
| RIDDLE, CHARLES | 1st cousin 4 times removed | VIII | 6 |
| Riddle, Charles | 2nd cousin once removed | VII | 4 |
| Riddle, Charles | 2nd cousin once removed | VII | 4 |
| Riddle, Charles | 3rd cousin twice removed | X | 6 |
| Riddle, Charles | 3rd cousin once removed | IX | 5 |
| RIDDLE, CHARLES | 2nd great-grandson | IV | 4 |
| Riddle, Charles Addison | 3rd cousin twice removed | X | 6 |
| Riddle, Charles Alfred | 3rd cousin twice removed | X | 6 |
| Riddle, Charles D. | 3rd cousin once removed | IX | 5 |
| Riddle, Charles David | 3rd cousin once removed | IX | 5 |
| Riddle, Charles Henderson | 3rd cousin once removed | IX | 5 |
| Riddle, Charles Lucien | 3rd cousin twice removed | X | 6 |
| RIDDLE, CHARLES MCKINLEY | 1st cousin twice removed | VI | 4 |
| Riddle, Charles Mitchum | 3rd cousin once removed | IX | 5 |
| Riddle, Charles W. | 3rd cousin | VIII | 4 |
| RIDDLE, CHARLIE MONROE | Great-grandson | III | 3 |
| Riddle, Charlotte | 3rd cousin once removed | IX | 5 |
| RIDDLE, CHARLOTTE LOTTIE | 1st cousin 3 times removed | VII | 5 |
| Riddle, Clarice | Great-granddaughter | III | 3 |
| Riddle, Clarinda | 3rd cousin once removed | IX | 5 |
| RIDDLE, CLARISS JANE | Granddaughter | II | 2 |
| RIDDLE, clarissa CAMDIS | 1st cousin twice removed | VI | 4 |
| RIDDLE, CLARISSA CLARLY | Daughter | I | 1 |
| RIDDLE, CLAUDE DAVID | 1st cousin 3 times removed | VII | 5 |
| RIDDLE, CLAUDIA | 1st cousin 4 times removed | VIII | 6 |
| RIDDLE, CLAY | Great-grandson | III | 3 |
| RIDDLE, CLIFTON BROWN | 1st cousin 3 times removed | VII | 5 |
| Riddle, Clifton William | 3rd cousin twice removed | X | 6 |
| Riddle, Clinton | 3rd cousin once removed | IX | 5 |
| RIDDLE, CLUDIA | 1st cousin 4 times removed | VIII | 6 |
| RIDDLE, COLKUMBUS (ABSOLOM) | 1st cousin twice removed | VI | 4 |
| 1st cousin 3 times removed | VII | 5 |
| Riddle, Cora | 3rd cousin twice removed | X | 6 |
| Riddle, Cora Fannie | 3rd cousin twice removed | X | 6 |
| RIDDLE, CORDIE ALICE | 2nd great-granddaughter | IV | 4 |