| Name | Relationship with Holly Ferguson | Civil | Canon |
| Riggin, William V. | 1st cousin 4 times removed | VIII | 6 |
| Rigsby, Christopher | 11th great-granduncle | XV | 14 |
| Half 17th cousin 14 times removed | L | 32 |
| Half 18th cousin 12 times removed | L | 31 |
| Rigsby, Francis | 11th great-grandaunt | XV | 14 |
| Half 17th cousin 14 times removed | L | 32 |
| Half 18th cousin 12 times removed | L | 31 |
| Rigsby, Priscilla | 11th great-grandaunt | XV | 14 |
| Half 17th cousin 14 times removed | L | 32 |
| Half 18th cousin 12 times removed | L | 31 |
| Rigsby, William Wentworth of | 11th great-grandfather | XIII | 13 |
| Half 17th cousin 14 times removed | L | 32 |
| Half 18th cousin 12 times removed | L | 31 |
| Riley, Glenn Amiel | Husband of the 2nd cousin twice removed | | |
| Rimbey, Berth Cannisty | Half 2nd cousin 3 times removed | IX | 6 |
| Half 4th cousin twice removed | XII | 7 |
| 5th cousin 4 times removed | XVI | 10 |
| Rimbey, Dick | Husband of the half 1st cousin 4 times removed | | |
| Husband of the half 3rd cousin 3 times removed | | |
| Husband of the 4th cousin 5 times removed | | |
| Rimbey, Fuzz? | Half 2nd cousin 3 times removed | IX | 6 |
| Half 4th cousin twice removed | XII | 7 |
| 5th cousin 4 times removed | XVI | 10 |
| Rimbey, Lucille | Half 2nd cousin 3 times removed | IX | 6 |
| Half 4th cousin twice removed | XII | 7 |
| 5th cousin 4 times removed | XVI | 10 |
| Rimbey, Maude | Half 2nd cousin 3 times removed | IX | 6 |
| Half 4th cousin twice removed | XII | 7 |
| 5th cousin 4 times removed | XVI | 10 |
| Rimbey, Rebecca Anna | Wife of the half 1st cousin 4 times removed | | |
| Wife of the half 3rd cousin 3 times removed | | |
| Wife of the 4th cousin 5 times removed | | |
| Rimbey, Russell | Half 2nd cousin 3 times removed | IX | 6 |
| Half 4th cousin twice removed | XII | 7 |
| 5th cousin 4 times removed | XVI | 10 |
| Rodick, Elizabeth Rebecca | Wife of the 1st cousin 4 times removed | | |
| Rodiguez, Garcia | 27th great-grandfather | XXIX | 29 |
| Half 2nd cousin 28 times removed | XXXIV | 31 |
| Rodriguez, Maria Duval | 1st cousin once removed of the husband | | |
| Rodriguez, Pablo | 1st cousin of the husband | | |
| Roller, Wanda | Wife of the 1st cousin once removed | | |
| Wife of the half 29th cousin twice removed | | |
| Wife of the half 30th cousin | | |
| Ronco, Julie Ann | Wife of the 1st cousin | | |
| Wife of the half 30th cousin once removed | | |
| Rosemary | Wife of the 1st cousin once removed | | |
| Ross, Andrew | Husband of the 1st cousin once removed | | |
| Ross, Carol | 2nd cousin | VI | 3 |
| Ross, Margaret Anne | 2nd cousin | VI | 3 |
| Ross, Patricia | 2nd cousin | VI | 3 |