| Name | Birth date | Relationship with Floyd Williams |
| Shields, Nell | September 29, 1900 | Grandaunt of the wife |
| Shields, Patrick | 1822 | 2nd great-grandfather of the wife |
| Shields, Patrick | 1858 | Great-grandfather of the wife |
| Shields, Patrick | 1893 | Granduncle of the wife |
| Shields, Philip | 1891 | Granduncle of the wife |
| Shields, Timothy | 1860 | Great-granduncle of the wife |
| Shields, Timothy | 1884 | Granduncle of the wife |
| Short, The | 714 | 39th great-grandfather |
| Sida | WFT Est. 778-827 | 36th great-grandmother |
| Sigmerius | WFT Est. 363-445 | 45th great-grandfather |
| Sigris | Abt. 507 | 48th great-grandmother |
| Skjalf Frostasson | Abt. 428 | 53rd great-grandmother |
| Slingeband, Roric | WFT Est. 552-619 | 43rd great-grandfather |
| Smiorguil | WFT Est. Bef. 100 | 95th great-grandfather |
| Smith | WFT Est. 1780-1815 | Husband of the 3rd great-grandaunt |
| Smith, James | 1760 | 4th great-grandfather |
| Smith, Mary | May 21, 1786 | 3rd great-grandmother |
| Snaer | WFT Est. 251-280 | 60th great-grandfather |
| Snodoye, Sigurd | WFT Est. 712-742 | 39th great-grandfather |
| Solveig Halfdansson | WFT Est. 666-689 | 41st great-grandmother |
| Solveig Halfdansson | Abt. 684 | 41st great-grandmother |
| Somerset, John Beaufort E. Of | 1371 | 3rd cousin 21 times removed |
| | | Half 11th cousin 21 times removed |
| | | 14th cousin 21 times removed |
| | | 15th cousin 22 times removed |
| | | 16th cousin 20 times removed |
| | | 17th cousin 20 times removed |
| | | 16th cousin 22 times removed |
| | | 17th cousin 21 times removed |
| Somerset, John Duke Of | 1404 | 4th cousin 20 times removed |
| | | Half 12th cousin 20 times removed |
| | | 15th cousin 20 times removed |
| | | 16th cousin 21 times removed |
| | | 17th cousin 19 times removed |
| | | 18th cousin 19 times removed |
| | | 17th cousin 21 times removed |
| | | 18th cousin 20 times removed |
| Sophia | 1630 | 12th cousin 12 times removed |
| | | Half 20th cousin 12 times removed |
| | | 23rd cousin 12 times removed |
| Spencer, Diana | Private | Wife of the 23rd cousin once removed |
| St. Arnold | WFT Est. 475-586 | 42nd great-grandfather |
| Stahl, Beth Ann | Private | Daughter-in-law |
| Stephen King Of Hungary | WFT Est. 962-999 | 31st great-grandfather |
| Strada | WFT Est. 206-229 | 54th great-grandmother |
| Strand, Anna | | Half grandaunt |
| Strand, Dave | | Half granduncle |
| Strand, Elliott O. | | Half granduncle |
| Strand, Gustave | September 18, 1842 | Husband of the great-grandmother |
| Strand, Joe | | Half granduncle |