| Name | Birth date | Relationship with Floyd Williams |
| Geirlaug | 897 | 33rd great-grandmother |
| | | 33rd great-grandaunt |
| George I King Of England | 1660 | 13th cousin 11 times removed |
| | | Half 21st cousin 11 times removed |
| George II King Of England | 1683 | 14th cousin 10 times removed |
| | | Half 22nd cousin 10 times removed |
| George III King Of England | 1738 | 16th cousin 8 times removed |
| George V King Of Great Britian | 1865 | 20th cousin 4 times removed |
| George VI King Of Great Britian | 1895 | 21st cousin 3 times removed |
| Gerd Gymersson | Abt. 239 | 62nd great-grandmother |
| Gifford, Adelaide | WFT Est. 1043-1105 | 26th great-grandmother |
| Gifford, Richard | WFT Est. 1007-1077 | 27th great-grandfather |
| Gisele | WFT Est. 882-898 | 33rd great-grandmother |
| Giselle | WFT Est. 840-869 | 34th great-grandmother |
| Gisle | Abt. 818 | 35th great-grandmother |
| Gladys | WFT Est. 130-161 | 56th great-grandmother |
| Gladys | WFT Est. 164-182 | 55th great-grandmother |
| Glas, Sedam | WFT Est. Bef. 100 | 85th great-grandfather |
| | | 89th great-grandfather |
| Glosfathbach, Jaram, 74Th King | WFT Est. Bef. 100 | 76th great-grandfather |
| | | 80th great-grandfather |
| Godigiselus | WFT Est. 349-378 | 50th great-grandfather |
| Goulder, Sarah Golden Or | 1762 | 4th great-grandmother |
| Graves, Eliza | Abt. 1810 | Wife of the 3rd great-granduncle |
| Greely, Eoghan Broderick | Private | Grandson |
| Greely, Muireann Harp | Private | Granddaughter |
| Greely, Sean | Private | Son-in-law |
| Green, Martha | | Wife of the granduncle |
| Gudrod Halfdansson | Abt. 738 | 39th great-grandfather |
| Guillaume I | WFT Est. 912-922 | 33rd great-grandfather |
| | | Husband of the 33rd great-grandaunt |
| Guinbald | WFT Est. 239-279 | 51st great-grandfather |
| Gymer | Abt. 214 | 63rd great-grandfather |
| Hainault, Philippa Of | 1314 | Wife of the 1st cousin 23 times removed |
| | | Wife of the half 9th cousin 23 times removed |
| | | Wife of the 12th cousin 23 times removed |
| | | Wife of the 13th cousin 24 times removed |
| | | Wife of the 14th cousin 22 times removed |
| | | Wife of the 15th cousin 22 times removed |
| | | Wife of the 14th cousin 24 times removed |
| | | Wife of the 15th cousin 23 times removed |
| Halfdan | WFT Est. 709-752 | 38th great-grandfather |
| Halfdan Frodasson | Abt. 503 | 48th great-grandfather |
| Halfdan King Of Denmark | WFT Est. 496-545 | 45th great-grandfather |
| Halfdan Olafsson | Abt. 704 | 40th great-grandfather |
| Hamlin, Clara | August 9, 1890 | 1st cousin twice removed |
| Hamlin, Clarinda Harris | 1858 | Great-grandaunt |
| Hamlin, Delphine | WFT Est. 1880-1903 | 1st cousin twice removed |
| Hamlin, Eliza Angeline | 1854 | Great-grandaunt |
| Hamlin, Evelyn | 1897 | 1st cousin twice removed |