| Name | Relationship with Michael Biddulph | Civil | Canon |
| Fitzherbert, Nicholas | 15th great-grandfather | XVII | 17 |
| Fitzherbert, Ralph | 14th great-grandfather | XVI | 16 |
| Fitzherbert, Ralph Radus | 14th great-grandfather | XVI | 16 |
| Fitzherbert, Robert | 14th great-granduncle | XVIII | 17 |
| Fitzhugh, Lora | 15th great-grandmother | XVII | 17 |
| Floyer, Joyce | 9th great-grandmother | XI | 11 |
| Floyer, Richard | 10th great-grandfather | XII | 12 |
| Floyer, Richard | Husband of the 8th great-grandaunt | | |
| Husband of the 2nd cousin 9 times removed | | |
| Foot | 4th great-granduncle | VIII | 7 |
| Foot (Futt), Thomas | 8th great-grandfather | X | 10 |
| Foot (Futt), Thomas | 7th great-granduncle | XI | 10 |
| Foot, Allen Nesbitt | 2nd great-granduncle | VI | 5 |
| Foot, Amelia | 4th great-grandaunt | VIII | 7 |
| Foot, Arthur | 5th great-granduncle | IX | 8 |
| Foot, Arthur Randall | 2nd great-granduncle | VI | 5 |
| Foot, Catherine J M I | 2nd great-grandaunt | VI | 5 |
| Foot, Christian | 4th great-granduncle | VIII | 7 |
| Foot, Clara Letitia | 2nd great-grandaunt | VI | 5 |
| Foot, Edmund D'olier | 2nd great-granduncle | VI | 5 |
| Foot, Elizabeth | 5th great-grandaunt | IX | 8 |
| Foot, Elizabeth | 5th great-grandaunt | IX | 8 |
| Foot, Elizabeth | 4th great-grandaunt | VIII | 7 |
| Foot, Ellen Caroline | 2nd great-grandaunt | VI | 5 |
| Wife of the half great-granduncle | | |
| Wife of the 9th cousin twice removed | | |
| Wife of the 8th cousin 4 times removed | | |
| Wife of the 9th cousin 4 times removed | | |
| Wife of the 10th cousin twice removed | | |
| Foot, Frederick Isaac | 3rd great-granduncle | VII | 6 |
| Foot, Harriet Sophia | 2nd great-grandmother | IV | 4 |
| Wife of the 8th cousin 3 times removed | | |
| Wife of the 7th cousin 5 times removed | | |
| Wife of the 8th cousin 5 times removed | | |
| Wife of the 9th cousin 3 times removed | | |
| Foot, James | 5th great-granduncle | IX | 8 |
| Foot, James | 4th great-grandfather | VI | 6 |
| Foot, James Albert | 2nd great-granduncle | VI | 5 |
| Foot, Jane | 4th great-grandaunt | VIII | 7 |
| Foot, Jeffery | 6th great-grandfather | VIII | 8 |
| Foot, Jeffrey | 4th great-granduncle | VIII | 7 |
| Foot, John | 7th great-grandfather | IX | 9 |
| Foot, John | 5th great-granduncle | IX | 8 |
| Foot, Letisaa Jane | 4th great-grandaunt | VIII | 7 |
| Foot, Louisa Anna Maria Theodosia | 2nd great-grandaunt | VI | 5 |
| Foot, Lundy | 5th great-grandfather | VII | 7 |
| Foot, Lundy | 4th great-granduncle | VIII | 7 |
| Foot, Mary | 7th great-grandaunt | XI | 10 |
| Foot, Mather | 4th great-granduncle | VIII | 7 |
| Foot, Randal | 4th great-granduncle | VIII | 7 |