| Name | Relationship with Asa Riddle | Civil | Canon |
| RECTOR, ROBERT FRANKLIN | Husband of the 1st cousin once removed | | |
| RECTOR, WESLEY | 1st cousin twice removed | VI | 4 |
| RENFROE, PRISCELLA PRESSIE | Wife of the 1st cousin | | |
| RENFROE, PRISCILLA PRESSIE HENSLEY | Wife of the 1st cousin | | |
| RHEA, CARBON | 1st cousin twice removed | VI | 4 |
| RHEA, ERVIN | 1st cousin twice removed | VI | 4 |
| RHEA, JOSEPH | 1st cousin twice removed | VI | 4 |
| RHEA, LEONIDAS | 1st cousin twice removed | VI | 4 |
| RHEA, SOLOMAN | 1st cousin twice removed | VI | 4 |
| RHEA, WILLIAM | Husband of the 1st cousin once removed | | |
| RIDDLE | 6th great-grandfather | VIII | 8 |
| RIDDLE, "NELLIE" ELENDOR | 1st cousin once removed | V | 3 |
| Riddle, Abel | 3rd cousin | VIII | 4 |
| Riddle, Abner | 3rd cousin once removed | IX | 5 |
| Riddle, Addie | 3rd cousin twice removed | X | 6 |
| RIDDLE, ADDISON DALE | 2nd great-grandson | IV | 4 |
| RIDDLE, AFFIRE BARBARA | 1st cousin twice removed | VI | 4 |
| RIDDLE, ALBERT WALTER | Great-grandson | III | 3 |
| RIDDLE, ALDOPHUS C. | 1st cousin twice removed | VI | 4 |
| RIDDLE, ALEXANDER | 1st cousin once removed | V | 3 |
| RIDDLE, ALEXANDER | 1st cousin once removed | V | 3 |
| RIDDLE, ALEXANDER | 1st cousin | IV | 2 |
| Riddle, Alexander | 3rd cousin twice removed | X | 6 |
| Riddle, Alexander Sandy | 3rd cousin | VIII | 4 |
| Riddle, Alfred L. | 3rd cousin twice removed | X | 6 |
| Riddle, Alfred Layfette | 3rd cousin once removed | IX | 5 |
| Riddle, Alfred Weldon | 3rd cousin once removed | IX | 5 |
| RIDDLE, ALGER | 2nd great-granddaughter | IV | 4 |
| RIDDLE, ALICE | 1st cousin twice removed | VI | 4 |
| Riddle, Alice | 3rd cousin once removed | IX | 5 |
| Wife of the 3rd cousin once removed | | |
| RIDDLE, ALICE | 1st cousin twice removed | VI | 4 |
| RIDDLE, ALICE ETTA | 1st cousin twice removed | VI | 4 |
| RIDDLE, ALLEN NAPIER | 4th great-grandson | VI | 6 |
| RIDDLE, ALLY | Great-granddaughter | III | 3 |
| Riddle, Alma | 3rd cousin twice removed | X | 6 |
| RIDDLE, ALMA ADELINE | 1st cousin 3 times removed | VII | 5 |
| RIDDLE, ALTA | Great-granddaughter | III | 3 |
| RIDDLE, ALTHEA S. | 1st cousin twice removed | VI | 4 |
| Riddle, Alton Mack | 3rd cousin twice removed | X | 6 |
| RIDDLE, ALVA | Great-grandson | III | 3 |
| Riddle, Alvis | 3rd cousin | VIII | 4 |
| Riddle, Alvis Ben | 3rd cousin | VIII | 4 |
| Riddle, Alvis Robert | 3rd cousin twice removed | X | 6 |
| Riddle, Amanda Catherine | 3rd cousin once removed | IX | 5 |
| Wife of the 3rd cousin once removed | | |
| RIDDLE, AMANDA CATHREN | Granddaughter | II | 2 |
| Riddle, Amanda Clementine | 3rd cousin once removed | IX | 5 |
| RIDDLE, AMANDA E. | Granddaughter | II | 2 |
| RIDDLE, AMANDA R | 1st cousin twice removed | VI | 4 |