| Name | Birth date | Relationship with Cynthia BERTRAND |
| ROBERTS, Richard | | Husband of the 1st cousin 3 times removed |
| | | Husband of the 1st cousin 4 times removed |
| ROBERTS, William | | Husband of the 2nd cousin 3 times removed |
| ROBINSON, Charles | | Husband of the 1st cousin 3 times removed |
| ROBINSON, John | | Husband of the 2nd cousin twice removed |
| | | Husband of the 2nd cousin 3 times removed |
| ROBINSON, Laura | | 2nd cousin twice removed |
| ROBINSON, Thomas | | Husband of the 4th cousin |
| ROCHEFORD, Ellen | | 3rd great-grandmother |
| ROGALSKY, Eric | | 4th cousin once removed of the husband |
| ROGALSKY, Mark | | 4th cousin once removed of the husband |
| ROLLER, Chris | | Husband of the 3rd cousin |
| ROLLER, Jacob | | 3rd cousin once removed |
| ROLLINS, Ashley Melissa | 12 Feb 1991 | 5th cousin |
| ROLLINS, Geoffrey Lawrence | 26 Dec 1985 | 5th cousin |
| ROLLINS, Richard Lawrence | | Husband of the 4th cousin once removed |
| ROLLINS, Timothy Richard | 29 May 1981 | 5th cousin |
| RONWAY, Heather | | 5th cousin of the husband |
| RONWAY, Howard | | 5th cousin of the husband |
| RONWAY, Judy | | 4th cousin once removed of the husband |
| RONWAY, Steve | | 4th cousin once removed of the husband |
| ROSENBLOOM, Jack | 22 May 1962 | 2nd cousin of the husband |
| ROSENBLOOM, Jay | 21 Apr 1961 | 2nd cousin of the husband |
| ROSENSTEIN, Rita (Snookie) | 27 Jun 1927 | 3rd cousin twice removed of the husband |
| ROSENWALD, Deborah | | 5th cousin of the husband |
| ROSENWALD, Harold | | 4th cousin once removed of the husband |
| ROSENWALD, Natavel | | 5th cousin of the husband |
| ROSENWALD, Sari | | 4th cousin once removed of the husband |
| ROSENWALD, Yakov | | 5th cousin of the husband |
| ROSENWALD, Yosef | | 5th cousin of the husband |
| ROSMAN, Abraham | | 5th cousin of the husband |
| ROSMAN, Miriam | | 5th cousin of the husband |
| ROSMAN, Sara | | 5th cousin of the husband |
| ROSZEL, Curtis Colby | | Husband of the 2nd cousin 3 times removed |
| ROSZEL, Helen | | 3rd cousin twice removed |
| ROTH, Chave | | 5th cousin of the husband |
| ROTH, Hanna | | 5th cousin of the husband |
| ROTH, Rivka | | 5th cousin of the husband |
| ROTHERMEL, Lauren Nichole (Twin) | 10 Aug 1995 | 5th cousin once removed |
| ROTHERMEL, Martin | 18 Dec 1963 | Husband of the 5th cousin |
| ROTHERMEL, Nathan Martin (Twin) | 10 Aug 1995 | 5th cousin once removed |
| ROURKE, Mary S | 14 Nov 1888 | Wife of the 2nd cousin 3 times removed |
| ROURKE, Susan | | Wife of the 1st cousin 4 times removed |
| ROWAN, Eliza | | Wife of the 2nd cousin 3 times removed |
| ROWLAND, Robert | | Husband of the 2nd cousin once removed |
| RUGGIERI, Anthony | | Husband of the 2nd cousin |
| RUGGIERI, Ashley Marie | 24 May 1989 | 2nd cousin once removed |
| RUGGIERI, Nicholas Joseph | 19 May 1996 | 2nd cousin once removed |
| RUGGLES, Effie Mary | | Wife of the great-granduncle |
| RUHL, Minnie L | Abt 1869 | Wife of the great-granduncle |