| Name | Birth date | Relationship with Robert Frei |
|---|
| Robinson, Zoe | 30 Jul 1915 | 4th cousin twice removed |
| Roger, Renee | | 9th great-grandmother of the wife |
| Rogers | Private | Husband of the 3rd cousin twice removed |
| Rohn, Alice | 21 Feb 1924 | Wife of the 2nd cousin once removed |
| Rojas, Henry Anthony M.D. | | Husband of the 1st cousin twice removed |
| Romain, Lawrence | Private | Husband of the 1st cousin twice removed |
| Rood, Jason David | Private | 1st cousin twice removed of the wife |
| Roosevelt, Franklin Delano | 30 Jan 1882 | 7th cousin 3 times removed of the wife |
| Roosevelt, Isaac | 18 Dec 1726 | 3rd cousin 7 times removed of the wife |
| Roosevelt, Isaac | 21 Apr 1790 | 5th cousin 5 times removed of the wife |
| Roosevelt, Jacobus/James | | 3rd cousin 7 times removed of the wife |
| Roosevelt, Jacobus/James | 1692 | 2nd cousin 8 times removed of the wife |
| Roosevelt, James | 10 Jan 1760 | 4th cousin 6 times removed of the wife |
| Roosevelt, James | 16 Jul 1828 | 6th cousin 4 times removed of the wife |
| Roosevelt, Johannes | 27 Feb 1688/89 | 2nd cousin 8 times removed of the wife |
| Roosevelt, Nicholas | Bef. 1688 | 2nd cousin 8 times removed of the wife |
| Root, Amy Lynne | Private | 4th cousin twice removed of the wife |
| Root, Betty Lou | Private | 4th cousin of the wife |
| Root, Brandon | Private | 4th cousin 3 times removed of the wife |
| Root, Brittany | Private | 4th cousin 3 times removed of the wife |
| Root, Gerald Jr. | Private | 4th cousin once removed of the wife |
| Root, Gerald Leroy | Private | 4th cousin of the wife |
| Root, Jerrod Leroy | Private | 4th cousin twice removed of the wife |
| Root, Kalie Ilene | Private | 4th cousin twice removed of the wife |
| Root, Karen Sue | Private | 4th cousin once removed of the wife |
| Root, Kenneth Leroy | Private | 4th cousin once removed of the wife |
| Root, Kimberly Sue | Private | 4th cousin twice removed of the wife |
| Root, Linda Louise | Private | 4th cousin of the wife |
| Root, Lloyd | Private | 4th cousin once removed of the wife |
| Root, Michael Paul | Private | 4th cousin twice removed of the wife |
| Root, Paxton James | Private | 4th cousin 3 times removed of the wife |
| Root, Vicki Lynn | Private | 4th cousin once removed of the wife |
| Ropers, Metta Marg. | 10 Sep 1682 | 6th great-grandmother of the wife |
| Rosalyn | Private | Wife of the half 1st cousin once removed |
| Rose, Lisa | Private | 3rd cousin once removed of the wife |
| Rose, Patricia | Private | 3rd cousin once removed of the wife |
| Rose, Paula | Private | 3rd cousin once removed of the wife |
| Rosehart, Dolores | Private | Wife of the 4th cousin once removed |
| Ross, Diane | Private | Wife of the 2nd cousin |
| Rowlles, Elizabeth | Abt. 1580 | 11th great-grandmother |
| Roxbury, Jordan | Private | 4th cousin 3 times removed of the wife |
| Roy, Diane | Private | Wife of the uncle |
| Ruch, Henrietta Mae | 30 Jul 1886 | Wife of the 2nd cousin 4 times removed |
| Rudd, Lucy | Abt. 1854 | 3rd cousin 3 times removed of the wife |
| Runyon, Adelaide | | Half 3rd great-grandaunt of the wife |
| Runyon, Albert | | Half 1st cousin 4 times removed of the wife |
| Runyon, Betsy | | Half 1st cousin 4 times removed of the wife |
| Runyon, Caroline | | Half 1st cousin 4 times removed of the wife |
| Runyon, Catheryne | | Half 1st cousin 4 times removed of the wife |
| Runyon, Drake | | Half 3rd great-granduncle of the wife |
