| Name | Relationship with Michael Biddulph | Civil | Canon |
| Biddulph, Elizabeth | 7th great-grandaunt | XI | 10 |
| Biddulph, Elizabeth | 6th great-grandaunt | X | 9 |
| Biddulph, Ethel | Great-grandaunt | V | 4 |
| 9th cousin twice removed | XXII | 12 |
| 8th cousin 4 times removed | XXII | 13 |
| 9th cousin 4 times removed | XXIV | 14 |
| 10th cousin twice removed | XXIV | 13 |
| Biddulph, Florence Frances | Great-grandaunt | V | 4 |
| 9th cousin twice removed | XXII | 12 |
| 8th cousin 4 times removed | XXII | 13 |
| 9th cousin 4 times removed | XXIV | 14 |
| 10th cousin twice removed | XXIV | 13 |
| Biddulph, Frances Maria | 3rd great-grandaunt | VII | 6 |
| 7th cousin 4 times removed | XX | 12 |
| 6th cousin 6 times removed | XX | 13 |
| 7th cousin 6 times removed | XXII | 14 |
| 8th cousin 4 times removed | XXII | 13 |
| Biddulph, Francis Henry | 2nd great-granduncle | VI | 5 |
| 8th cousin 3 times removed | XXI | 12 |
| 7th cousin 5 times removed | XXI | 13 |
| 8th cousin 5 times removed | XXIII | 14 |
| 9th cousin 3 times removed | XXIII | 13 |
| Biddulph, Francis Henry | Great-grandfather | III | 3 |
| 9th cousin twice removed | XXII | 12 |
| 8th cousin 4 times removed | XXII | 13 |
| 9th cousin 4 times removed | XXIV | 14 |
| 10th cousin twice removed | XXIV | 13 |
| Biddulph, Francisca | 5th great-grandaunt | IX | 8 |
| 5th cousin 6 times removed | XVIII | 12 |
| 4th cousin 8 times removed | XVIII | 13 |
| Biddulph, Frederick Walter | Half great-granduncle | V | 4 |
| 9th cousin twice removed | XXII | 12 |
| 8th cousin 4 times removed | XXII | 13 |
| 9th cousin 4 times removed | XXIV | 14 |
| 10th cousin twice removed | XXIV | 13 |
| Husband of the 2nd great-grandaunt | | |
| Biddulph, George | 8th great-granduncle | XII | 11 |
| Biddulph, George | 7th great-granduncle | XI | 10 |
| Biddulph, George | 3rd great-granduncle | VII | 6 |
| 7th cousin 4 times removed | XX | 12 |
| 6th cousin 6 times removed | XX | 13 |
| 7th cousin 6 times removed | XXII | 14 |
| 8th cousin 4 times removed | XXII | 13 |
| Biddulph, Gilbert Burnet | 3rd great-granduncle | VII | 6 |
| 7th cousin 4 times removed | XX | 12 |
| 6th cousin 6 times removed | XX | 13 |
| 7th cousin 6 times removed | XXII | 14 |
| 8th cousin 4 times removed | XXII | 13 |
| Biddulph, Harriett Burnett | 2nd great-grandaunt | VI | 5 |
| 8th cousin 3 times removed | XXI | 12 |