| Name | Birth date | Relationship with Robert Frei |
| Severance, Rollin Morse | 20 Jun 1901 | 7th cousin twice removed |
| Severance, Rosamond | Abt. 29 Oct 1864 | 2nd great-grandaunt |
| Severance, Rufus | | 2nd cousin 7 times removed |
| Severance, Samuel | 19 Sep 1637 | 8th great-granduncle |
| Severance, Sarah | | 7th great-grandaunt |
| Severance, Sarah Jane | 24 Nov 1854 | 2nd great-grandmother |
| Severance, Sewell | 03 Apr 1831 | 3rd great-grandfather |
| Severance, Susan E. | 03 Mar 1825 | 3rd great-grandaunt |
| Severance, Thomas Chalkley | | 5th cousin 4 times removed |
| Severance, Thomas Freeman | 30 Nov 1850 | 3rd great-granduncle |
| Severance, William | | 3rd cousin 6 times removed |
| Severance, William | | 7th cousin twice removed |
| Severance, William Elmer | Private | 8th cousin once removed |
| Seward, Chloe | | Wife of the 6th great-granduncle |
| Shanaberger, Jeffry Scott | Private | Husband of the 2nd cousin |
| Shanaberger, Samantha Kate | Private | 2nd cousin once removed |
| Sharon | Private | Wife of the 4th cousin 3 times removed |
| Shearer, John | | Husband of the 3rd great-grandaunt |
| Sheets, Virgil | Private | Husband of the 3rd cousin twice removed |
| Sheffield, Charles | Private | 3rd cousin twice removed of the wife |
| Sheffield, Clifford | Private | 3rd cousin twice removed of the wife |
| Sheffield, Ernest | Private | 3rd cousin twice removed of the wife |
| Shepherd, Doris Ann | Private | Wife of the uncle |
| Sherwood, Abigail | Abt. 1679 | 7th great-grandmother of the wife |
| Sherwood, Isaac | 1645 | 8th great-grandfather of the wife |
| Sherwood, Thomas | 11 Sep 1548 | 10th great-grandfather of the wife |
| Sherwood, Thomas | 1586 | 9th great-grandfather of the wife |
| Shipman, Margaret | | 6th great-grandmother |
| Shook, Kathleen | Private | Wife of the 1st cousin |
| Sicard, Ambrose | | 9th great-grandfather |
| Sicard, Jean | | 6th great-grandfather of the wife |
| Sicard, Marie | | 8th great-grandmother |
| Sicard, Pierre | | 7th great-grandfather of the wife |
| Sicily, Constance of | | 20th great-grandmother |
| Sicily, Elizabeth of | | 18th great-grandmother |
| Sicily, Frederick II | 1271 | 19th great-grandfather |
| Sicily, Manfred of | | 21st great-grandfather |
| Simes, Charles | | Husband of the 1st cousin 4 times removed |
| Simes, Harry | | 2nd cousin 3 times removed |
| Simes, Leota | | 2nd cousin 3 times removed |
| Simes, Rhoda | | 2nd cousin 3 times removed |
| Simmons, Amy | Private | 2nd cousin |
| Simmons, Brian | Private | 2nd cousin |
| Simmons, Katherine | Private | 2nd cousin |
| Simmons, Mariam | Private | 2nd cousin |
| Simmons, Neil | Private | Husband of the 1st cousin once removed |
| Simmons, Ransome | | Husband of the 1st cousin 5 times removed |
| Simpson, William | | Husband of the 1st cousin 5 times removed |
| Singer, Angela | Private | Wife of the 2nd cousin |
| Slecht, Abraham Hendrickse | | 7th great-grandfather of the wife |