| Name | Birth date | Relationship with Floyd Williams |
|---|
| Matilda | 1079 | 28th great-grandmother |
| | | Half 2nd cousin 30 times removed |
| | | 7th cousin 29 times removed |
| | | 8th cousin 30 times removed |
| | | Wife of the 5th cousin 30 times removed |
| | | Wife of the 6th cousin 31 times removed |
| | | Wife of the 8th cousin 29 times removed |
| | | Wife of the 7th cousin 31 times removed |
| | | Wife of the 8th cousin 30 times removed |
| Matilda | August 9, 1823 | Wife of the 3rd great-granduncle |
| Matilda Empress Of Germany | August 5, 1102 | 27th great-grandmother |
| | | Half 3rd cousin 29 times removed |
| | | 6th cousin 29 times removed |
| | | 7th cousin 30 times removed |
| | | 8th cousin 28 times removed |
| | | 9th cousin 28 times removed |
| | | 8th cousin 30 times removed |
| | | 9th cousin 29 times removed |
| Maurin Pzalzgrave | Bef. 825 | 36th great-grandfather |
| Mavin | WFT Est. Bef. 100 | 92nd great-grandfather |
| | | 96th great-grandfather |
| Maxwell, Mary | WFT Est. 1766-1786 | Wife of the 4th great-granduncle |
| McKinney, Sam Alfred | 1891 | Husband of the aunt |
| Meilage, 71St King Of Ireland | WFT Est. Bef. 100 | 77th great-grandfather |
| | | 81st great-grandfather |
| Meric | WFT Est. Bef. 104 | 58th great-grandfather |
| Merius | WFT Est. Bef. 104 | 58th great-grandfather |
| Merodacus | WFT Est. Bef. 100 | 71st great-grandfather |
| Miller, Wilmer | | Husband of the grandaunt |
| Minnie | September 29, 1868 | Grandaunt |
| Montagu, Eleanor | WFT Est. 1472-1523 | 12th great-grandmother |
| | | 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 |
| Moore, Evalyn L. | August 19, 1861 | Wife of the granduncle |
| Mucel, Ethelred | WFT Est. 791-833 | 36th great-grandfather |
| | | 37th great-grandfather |
| Muireadhach | WFT Est. 406-449 | 51st great-grandfather |
| | | Husband of the 20th cousin 57 times removed |
| Muireadhach, I | WFT Est. Bef. 100 | 83rd great-grandfather |
| | | 87th great-grandfather |
| Murphy, Eliza | WFT Est. 1792-1812 | Wife of the 3rd great-granduncle |
| Niadhmar, Chiomthan | WFT Est. Bef. 100 | 65th great-grandfather |
| | | 10th cousin 63 times removed |
| Niall, Niall Mor, 126Th King Of Ire. | WFT Est. 291-351 | 53rd great-grandfather |
| | | 22nd cousin 51 times removed |
| Nicanor | WFT Est. Bef. 100 | 76th great-grandfather |
| Nivelon | WFT Est. 765-829 | 34th great-grandfather |