| Name | Birth date | Relationship with Floyd Williams |
| | | 18th cousin 20 times removed |
| | | 19th cousin 19 times removed |
| Marney, Anna | WFT Est. 1431-1450 | 16th great-grandmother |
| | | Half 14th cousin 18 times removed |
| | | 17th cousin 18 times removed |
| | | 18th cousin 19 times removed |
| | | 19th cousin 17 times removed |
| | | 20th cousin 17 times removed |
| | | 19th cousin 19 times removed |
| | | 20th cousin 18 times removed |
| Marney, John | WFT Est. 1383-1424 | 17th great-grandfather |
| | | 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 |
| | | 18th cousin 20 times removed |
| | | 19th cousin 19 times removed |
| Marney, William, High Sheriff Of Essex | WFT Est. 1350-1382 | 18th great-grandfather |
| | | Husband of the half 12th cousin 20 times removed |
| | | Husband of the 15th cousin 20 times removed |
| | | Husband of the 16th cousin 21 times removed |
| | | Husband of the 17th cousin 19 times removed |
| | | Husband of the 18th cousin 19 times removed |
| | | Husband of the 17th cousin 21 times removed |
| | | Husband of the 18th cousin 20 times removed |
| Marsh, Christine Lee | Private | Wife of the half 1st cousin |
| Martel, Charles | Abt. 688 | 40th great-grandfather |
| Mary | WFT Est. 1615-1641 | 9th great-grandmother |
| Mary | 1867 | Wife of the 20th cousin 4 times removed |
| Mary II Queen Of England | WFT Est. 1649-1678 | 13th cousin 11 times removed |
| | | Half 21st cousin 11 times removed |
| Mary Queen Of Scotland | December 8, 1542 | 9th cousin 15 times removed |
| | | Half 17th cousin 15 times removed |
| | | 20th cousin 15 times removed |
| | | 21st cousin 16 times removed |
| | | 22nd cousin 14 times removed |
| | | 23rd cousin 14 times removed |
| | | 22nd cousin 16 times removed |
| | | 23rd cousin 15 times removed |
| Mathilda | WFT Est. 917-950 | 32nd great-grandmother |
| | | Wife of the 2nd cousin 35 times removed |
| | | Wife of the 3rd cousin 35 times removed |
| Mathilda | 1032 | 29th great-grandmother |
| | | 4th cousin 31 times removed |
| | | 5th cousin 32 times removed |
| | | 6th cousin 32 times removed |
| | | Wife of the 4th cousin 31 times removed |
| | | Wife of the 7th cousin 30 times removed |
| | | Wife of the 7th cousin 31 times removed |