| Name | Birth date | Relationship with Floyd Williams |
| | | Husband of the 23rd cousin 15 times removed |
| Albert Prince Of Saxe-Coburg | 1819 | Husband of the 18th cousin 6 times removed |
| Alexandra | 1844 | Wife of the 19th cousin 5 times removed |
| Alfonso Of England | 1273 | 22nd great-granduncle |
| | | Half 8th cousin 24 times removed |
| | | 11th cousin 24 times removed |
| | | 12th cousin 25 times removed |
| | | 13th cousin 23 times removed |
| | | 14th cousin 23 times removed |
| | | 13th cousin 25 times removed |
| | | 14th cousin 24 times removed |
| AlfredThe Great, King Of Wessex | Abt. 848 | 35th great-grandfather |
| | | 36th great-grandfather |
| | | 36th great-granduncle |
| Algaut Gautreksson | WFT Est. 613-642 | 43rd great-grandfather |
| Alhele | WFT Est. 891-933 | 33rd great-grandmother |
| | | Wife of the 1st cousin 36 times removed |
| | | Wife of the 2nd cousin 36 times removed |
| Alicia | WFT Est. 1130-1169 | 26th great-grandmother |
| Alix | WFT Est. 891-933 | 33rd great-grandmother |
| | | Wife of the 1st cousin 36 times removed |
| | | Wife of the 2nd cousin 36 times removed |
| Allen, Ann | January 25, 1754 | 4th great-grandmother |
| Allen, James, Sr. | WFT Est. 1703-1732 | 5th great-grandfather |
| Allen, Nancy | WFT Est. 1748-1775 | 4th great-grandaunt |
| Alpin Of Dalriada | Abt. 778 | 38th great-grandfather |
| Alrek Agnasson | Abt. 445 | 52nd great-grandfather |
| Anchier II | Bef. 865 | 34th great-grandfather |
| Anderson, Douglas | Private | 1st cousin of the wife |
| Anderson, John | WFT Est. 1670-1709 | 6th great-grandfather |
| Anderson, Margaret | WFT Est. 1712-1735 | 5th great-grandmother |
| Anderson, Mary Ann | Private | 1st cousin of the wife |
| Anderson, Robert | Private | 1st cousin of the wife |
| Anglo-Saxon | 775 | 37th great-grandfather |
| | | 38th great-grandfather |
| Angus, I | WFT Est. Bef. 100 | 93rd great-grandfather |
| Angus, II The Prolific | WFT Est. Bef. 100 | 72nd great-grandfather |
| | | 76th great-grandfather |
| Ann | WFT Est. 1771-1791 | Wife of the 3rd great-granduncle |
| Anne Frederick Denmark II | 1574 | Wife of the 10th cousin 14 times removed |
| | | Wife of the half 18th cousin 14 times removed |
| | | Wife of the 21st cousin 14 times removed |
| | | Wife of the 22nd cousin 15 times removed |
| | | Wife of the 23rd cousin 13 times removed |
| | | Wife of the 23rd cousin 15 times removed |
| Ansegisel, Bishop Of Metz | WFT Est. 584-613 | 42nd great-grandfather |
| Ansegius | WFT Est. 511-616 | 41st great-grandfather |
| Antenor | WFT Est. Bef. 100 | 84th great-grandfather |
| Antenor | WFT Est. Bef. 100 | 82nd great-grandfather |
| Antenor, III | WFT Est. Bef. 100 | 73rd great-grandfather |