| Name | Relationship with Michael Biddulph | Civil | Canon |
| 8th cousin 5 times removed | XXIII | 14 |
| 9th cousin 3 times removed | XXIII | 13 |
| Biddulph, Thomas Jervis | 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, Unknown | 2nd great-grandaunt | 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, Walter | 5th great-grandfather | VII | 7 |
| 5th cousin 6 times removed | XVIII | 12 |
| 4th cousin 8 times removed | XVIII | 13 |
| Biddulph, Walter Edward | 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 |
| Biddulph, Walter John | 2nd great-grandfather | IV | 4 |
| 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, William | 8th great-granduncle | XII | 11 |
| Biddulph, William | 5th great-granduncle | IX | 8 |
| 5th cousin 6 times removed | XVIII | 12 |
| 4th cousin 8 times removed | XVIII | 13 |
| Biddulph, William 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 |
| Bidulfe, Edward De | 21st great-grandfather | XXIII | 23 |
| Bidulfe, Ellen | 14th great-grandaunt | XVIII | 17 |
| Bidulfe, John De | 16th great-grandfather | XVIII | 18 |
| Bidulfe, Richard | 12th great-grandfather | XIV | 14 |
| Bidulfe, Robert | 14th great-grandfather | XVI | 16 |
| Bidulfe, Robert De | 15th great-grandfather | XVII | 17 |
| Bidulfe, Roger De | 20th great-grandfather | XXII | 22 |
| Bidulfe, Roger De | 18th great-grandfather | XX | 20 |
| Bidulfe, Thomas De | 21st great-granduncle | XXV | 24 |
| Bidulfe, Thomas De | 19th great-grandfather | XXI | 21 |
| Bidulfe, William | 13th great-grandfather | XV | 15 |
| Bidulfe, William De | 17th great-grandfather | XIX | 19 |
| Birch, Anna | 6th great-grandaunt | X | 9 |
| 4th cousin 7 times removed | XVII | 12 |
| 3rd cousin 9 times removed | XVII | 13 |
| Birch, Anne | 1st cousin 7 times removed | XI | 9 |