| Name | Birth date | Relationship with Robert Frei |
| Sedore, Susan Kay | Private | 4th cousin once removed of the wife |
| Sedore, Troy Adam | Private | 4th cousin once removed of the wife |
| Seeht, Anna zum | | 7th great-grandmother of the wife |
| Seelbinder, Bonnie Lou | Private | Wife of the 1st cousin once removed |
| Segerstrom, Corey Ray | Private | 3rd cousin once removed of the wife |
| Segerstrom, Robin Louise | Private | 3rd cousin once removed of the wife |
| Senlis, Hubert I Count of | 850 | 33rd great-grandfather |
| Sensabaugh, Child Five | Private | 2nd cousin once removed of the wife |
| Sensabaugh, Donaldyne | Private | 2nd cousin once removed of the wife |
| Sensabaugh, Elaine | Private | 2nd cousin once removed of the wife |
| Sensabaugh, Ernest C. | 08 Jan 1902 | 1st cousin twice removed of the wife |
| Sensabaugh, Ithiel L. | 23 Jun 1900 | 1st cousin twice removed of the wife |
| Sensabaugh, Leo | Private | 2nd cousin once removed of the wife |
| Sensabaugh, Margaret | Private | 2nd cousin once removed of the wife |
| Sensabaugh, Marion | Private | 2nd cousin once removed of the wife |
| Severance | 17 Apr 1658 | 8th great-grandaunt |
| Severance, Abel | | 2nd cousin 7 times removed |
| Severance, Abigail | | 7th great-grandaunt |
| Severance, Abigail | | 2nd cousin 7 times removed |
| Severance, Abigail | 07 Jan 1640/41 | 8th great-grandaunt |
| Severance, Abigail | 25 May 1643 | 8th great-grandaunt |
| Severance, Abigail | 11 Sep 1676 | 1st cousin 9 times removed |
| Severance, Abijah | | 3rd cousin 6 times removed |
| Severance, Adelia Diana | | 5th cousin 4 times removed |
| Severance, Arthur | | 6th cousin 3 times removed |
| Severance, Asa Albion | 16 Nov 1839 | 3rd great-granduncle |
| Severance, Benjamin | | 8th great-granduncle |
| Severance, Benjamin | Abt. 1782 | 3rd cousin 6 times removed |
| Severance, Bessey | Abt. 1863 | 2nd great-grandaunt |
| Severance, Betsey | | 3rd cousin 6 times removed |
| Severance, Bishop | 09 Jun 1835 | 3rd great-granduncle |
| Severance, Castale (Rosamond?) | Abt. 1865 | 2nd great-grandaunt |
| Severance, Charles | | 6th cousin 3 times removed |
| Severance, Charles | 21 Dec 1805 | 4th cousin 5 times removed |
| Severance, Charles Lamb | 14 Dec 1833 | 5th cousin 4 times removed |
| Severance, Charles M. | 17 Mar 1823 | 3rd great-granduncle |
| Severance, Charles Martin | Private | 8th cousin once removed |
| Severance, Clara Catherine | | 6th cousin 3 times removed |
| Severance, Clifford Paul | Private | 9th cousin |
| Severance, Daniel | | 3rd cousin 6 times removed |
| Severance, Daniel | Abt. 1750 | 2nd cousin 7 times removed |
| Severance, Dinah | | 7th great-grandaunt |
| Severance, Ebenezer | 07 Mar 1638/39 | 8th great-granduncle |
| Severance, Ebenezer | Abt. 1694 | 7th great-granduncle |
| Severance, Ebin | Abt. 29 Jun 1859 | 2nd great-granduncle |
| Severance, Elen Catherine | Private | 8th cousin once removed |
| Severance, Elizabeth | | 8th great-grandaunt |
| Severance, Ellen | Abt. 1860 | 2nd great-grandaunt |
| Severance, Elmer | | 7th cousin twice removed |
| Severance, Elmina | | 5th cousin 4 times removed |