| Name | Relationship with Michael Biddulph | Civil | Canon |
| 9th great-granduncle | XIII | 12 |
| Littleton, Edward | 9th great-granduncle | XIII | 12 |
| 1st cousin 10 times removed | XIV | 12 |
| Littleton, Edward | Husband of the 6th great-grandaunt | | |
| Littleton, Eleanor | 9th great-grandmother | XI | 11 |
| 1st cousin 10 times removed | XIV | 12 |
| Littleton, Elizabeth | 14th great-grandmother | XVI | 16 |
| 15th great-grandmother | XVII | 17 |
| Littleton, Jane | 9th great-grandmother | XI | 11 |
| 10th great-grandaunt | XIV | 13 |
| Littleton, Margaret | 9th great-grandaunt | XIII | 12 |
| 1st cousin 10 times removed | XIV | 12 |
| Littleton, Richard | 12th great-grandfather | XIV | 14 |
| 13th great-grandfather | XV | 15 |
| Littleton, Thomas | 16th great-grandfather | XVIII | 18 |
| 17th great-grandfather | XIX | 19 |
| Littleton, Thomas | 17th great-grandfather | XIX | 19 |
| 18th great-grandfather | XX | 20 |
| Littleton, Thomas | 13th great-grandfather | XV | 15 |
| 14th great-grandfather | XVI | 16 |
| Littleton, Thomas | 15th great-grandfather | XVII | 17 |
| 16th great-grandfather | XVIII | 18 |
| Littleton, Thomas de | 18th great-grandfather | XX | 20 |
| 19th great-grandfather | XXI | 21 |
| Lloyd, Harriette | 4th great-grandmother | VI | 6 |
| Locke, Alexander | Husband of the great-grandaunt | | |
| Lord, Mabey Beryl | Wife of the great-granduncle | | |
| Lowe, Michael | Husband of the 9th great-grandaunt | | |
| Lowth, John | 11th great-grandfather | XIII | 13 |
| Lowth, Thomasine | 10th great-grandmother | XII | 12 |
| Lumsden, Elizabeth | 11th great-grandmother | XIII | 13 |
| 12th great-grandmother | XIV | 14 |
| Lumsden, John | 12th great-grandfather | XIV | 14 |
| 13th great-grandfather | XV | 15 |
| Lundy, James | 7th great-grandfather | IX | 9 |
| Lundy, Jane | 6th great-grandmother | VIII | 8 |
| Lymen, Thymen Jans | 9th great-grandfather | XI | 11 |
| M. Gilles daughter | 11th great-grandmother | XIII | 13 |
| Mallory, Anketine | 17th great-grandfather | XIX | 19 |
| Mallory, Beatrice | 16th great-grandmother | XVIII | 18 |
| Margaret | 16th great-grandmother | XVIII | 18 |
| Margaret | 10th great-grandmother | XII | 12 |
| Margery | 12th great-grandmother | XIV | 14 |
| Marshall, Elizabeth | 14th great-grandmother | XVI | 16 |
| Marshall, Elizabeth | 14th great-grandmother | XVI | 16 |
| Marshall, John | 15th great-grandfather | XVII | 17 |
| Martin, Samuel H | Husband of the half grandaunt | | |
| Mary | 8th great-grandmother | X | 10 |
| Mary | 4th great-grandmother | VI | 6 |
| Mary | 4th great-grandmother | VI | 6 |