| Name | Relationship with Michael Biddulph | Civil | Canon |
| Palmer, Elizabeth | Wife of the 8th great-granduncle | | |
| Palmer, John | Husband of the 7th great-grandaunt | | |
| Parem, John | Husband of the 8th great-grandaunt | | |
| Parker, Alan C | Husband of the great-grandaunt | | |
| Parkhill, Charles | Husband of the 2nd great-grandaunt | | |
| Partington, Mary | 5th great-grandmother | VII | 7 |
| Passamer, Thomasine | 13th great-grandmother | XV | 15 |
| Patricia | Wife of the uncle | | |
| Paunsherst, Thomas | Husband of the 15th great-grandmother | | |
| Pearce, William H | Husband of the great-grandaunt | | |
| Pembridge, Alice | 15th great-grandmother | XVII | 17 |
| 16th great-grandmother | XVIII | 18 |
| Pembridge, Ralph | 17th great-grandfather | XIX | 19 |
| 18th great-grandfather | XX | 20 |
| Pembridge, Richard | 16th great-grandfather | XVIII | 18 |
| 17th great-grandfather | XIX | 19 |
| Perpoint, Mabilla De | Wife of the 21st great-granduncle | | |
| Peverel, Margaret | 25th great-grandmother | XXVII | 27 |
| 26th great-grandmother | XXVIII | 28 |
| Peverel, William | 26th great-grandfather | XXVIII | 28 |
| 27th great-grandfather | XXIX | 29 |
| Pevington, Amabilia | 16th great-grandmother | XVIII | 18 |
| Pevington, Julianna | 15th great-grandmother | XVII | 17 |
| Phelps, Harry | Husband of the great-grandaunt | | |
| Pilkington, Martha | 7th great-grandmother | IX | 9 |
| Pilkington, Richard | 8th great-grandfather | X | 10 |
| Pipe-Wolferstan, Samuel | Husband of the 4th great-grandaunt | | |
| Husband of the 6th cousin 5 times removed | | |
| Husband of the 5th cousin 7 times removed | | |
| Plowden, John | Husband of the 14th great-grandaunt | | |
| Husband of the 15th great-grandaunt | | |
| Plumb, Gladys May | Wife of the granduncle | | |
| Porteous | Wife of the 2nd great-granduncle | | |
| Porteous, Ada | Wife of the 2nd great-granduncle | | |
| Power, Doreen | Wife of the uncle | | |
| Wife of the 11th cousin | | |
| Wife of the 10th cousin twice removed | | |
| Wife of the 11th cousin twice removed | | |
| Wife of the 12th cousin | | |
| Poynings, Joan | 17th great-grandmother | XIX | 19 |
| 18th great-grandmother | XX | 20 |
| Provoost, Marie | 7th great-grandmother | IX | 9 |
| Provost, David | 9th great-grandfather | XI | 11 |
| Provost, David | 8th great-grandfather | X | 10 |
| Provost, Johannes | 10th great-grandfather | XII | 12 |
| Provost, William | 11th great-grandfather | XIII | 13 |
| Quartermain, Maud | 15th great-grandmother | XVII | 17 |
| 16th great-grandmother | XVIII | 18 |
| Quincy, Margaret | 22nd great-grandmother | XXIV | 24 |
| 23rd great-grandmother | XXV | 25 |