| Name | Birth date | Relationship with Floyd Williams |
|---|
| | | 12th cousin 24 times removed |
| | | 13th cousin 24 times removed |
| | | 12th cousin 26 times removed |
| | | 13th cousin 25 times removed |
| Lothair II | 835 | 35th great-grandfather |
| Lud | WFT Est. Bef. 100 | 62nd great-grandfather |
| Luire, Labhra, Prince Of Ireland | WFT Est. Bef. 100 | 1st cousin 72 times removed |
| | | 74th great-grandfather |
| M. | Abt. 1815 | Wife of the 3rd great-granduncle |
| MacErca, Angus | WFT Est. 337-396 | 53rd great-grandfather |
| | | 18th cousin 59 times removed |
| MacErca, Fergus | WFT Est. 446-475 | 50th great-grandfather |
| | | 21st cousin 56 times removed |
| Mackenneth, Bethoc | Abt. 984 | 31st great-grandmother |
| Malcolm I, King Of Scotland | 897 | 34th great-grandfather |
| Malcolm II, King Of Scotland | Abt. 954 | 32nd great-grandfather |
| Malcolm III, King Of Scotland | Abt. 1031 | 29th great-grandfather |
| | | Husband of the half 1st cousin 31 times removed |
| | | Husband of the 6th cousin 30 times removed |
| | | Husband of the 7th cousin 31 times removed |
| Manius | WFT Est. Bef. 100 | 69th great-grandfather |
| | | 2nd cousin 75 times removed |
| Manogan | WFT Est. Bef. 100 | 64th great-grandfather |
| Marcomir | WFT Est. Bef. 100 | 83rd great-grandfather |
| Marcomir | WFT Est. Bef. 100 | 75th great-grandfather |
| Marcomir | WFT Est. 289-360 | 48th great-grandfather |
| Marcomir, III | WFT Est. Bef. 100 | 66th great-grandfather |
| Marcomir, IV | WFT Est. Bef. 100 | 60th great-grandfather |
| Margaret | Abt. 1379 | Wife of the 3rd cousin 21 times removed |
| | | Wife of the half 11th cousin 21 times removed |
| | | Wife of the 14th cousin 21 times removed |
| | | Wife of the 15th cousin 22 times removed |
| | | Wife of the 16th cousin 20 times removed |
| | | Wife of the 17th cousin 20 times removed |
| | | Wife of the 16th cousin 22 times removed |
| | | Wife of the 17th cousin 21 times removed |
| Margaret | Abt. 1405 | Wife of the 4th cousin 20 times removed |
| | | Wife of the half 12th cousin 20 times removed |
| | | Wife of the 15th cousin 20 times removed |
| | | Wife of the 16th cousin 21 times removed |
| | | Wife of the 17th cousin 19 times removed |
| | | Wife of the 18th cousin 19 times removed |
| | | Wife of the 17th cousin 21 times removed |
| | | Wife of the 18th cousin 20 times removed |
| Margaret | 1443 | 5th cousin 19 times removed |
| | | Half 13th cousin 19 times removed |
| | | 16th cousin 19 times removed |
| | | 17th cousin 20 times removed |
| | | 18th cousin 18 times removed |
| | | 19th cousin 18 times removed |