| Name | Birth date | Relationship with Bruce Hildebrandt |
| Pieper, Roger Elmer | | 7th cousin |
| Pieper, Ronda | | 7th cousin once removed |
| Pieper, Roxanna | | 7th cousin once removed |
| Pieper, Tara Sue | | 7th cousin once removed |
| Pieper, Tia Lanette | | 7th cousin once removed |
| Pieper, Tracie Rene | | 7th cousin once removed |
| Pieper, Troy Devin | | 7th cousin once removed |
| Pieper, Tyler | | 7th cousin once removed |
| Pinner, Sherry Babe | | Wife of the 6th cousin twice removed |
| Piper, Cynthia Susan | | 3rd cousin once removed |
| Piper, Jerry Dean | | 3rd cousin once removed |
| Piper, Jerry Ivan | | Ex-husband of the 3rd cousin |
| Piper, Lindsay Natomah | July 10, 1980 | 3rd cousin twice removed |
| Piper, Steven Tracy | | 3rd cousin once removed |
| Piper, Suzanne Emeline | | 3rd cousin twice removed |
| Pishny, Karyn Kay | | Wife of the 7th cousin once removed |
| Pitchford, Blake Austin | | Half 7th cousin once removed |
| Pitchford, Philip Lee | | Half 7th cousin once removed |
| Pitchford, Ronald | Unknown | Husband of the half 7th cousin |
| Pitchford, Ronald Dwayne | | Half 7th cousin once removed |
| Plate, Dirk | | 6th cousin 3 times removed |
| Plate, Hans Hinrch | | Husband of the 6th cousin twice removed |
| Plate, Jan | | 6th cousin 3 times removed |
| Plate, Thorsten | | 6th cousin 3 times removed |
| Plötzky, Elke | | Wife of the 5th cousin |
| Polster, Betty | | Wife of the half 6th cousin once removed |
| Polzien, Richard | March 19, 1909 | Husband of the half 5th cousin twice removed |
| Popp, Anna | September 5, 1836 | Wife of the 1st cousin 4 times removed |
| Poppe, Margaretha | February 6, 1813 | Wife of the 3rd cousin 5 times removed |
| Poppen, Margreta | April 21, 1689 | Wife of the 6th great-granduncle |
| Portelroy, Elsie | September 19, 1907 | 6th cousin |
| Portelroy, John | Bef. 1884 | Husband of the 5th cousin once removed |
| Portelroy, John C. | September 23, 1905 | 6th cousin |
| Portelroy, Margaret | | 6th cousin |
| Portelroy, Minnie | | 6th cousin |
| Porteous, Kenneth James | | Husband of the 2nd cousin once removed |
| Porteous, Marshall James | | 2nd cousin twice removed |
| Porter, Derek Michael | | 3rd cousin once removed |
| Porter, Garrett Alan | | 3rd cousin twice removed |
| Porter, James Colt | | 3rd cousin twice removed |
| Porter, Kevin Eric | | 3rd cousin once removed |
| Porter, Neal Erwin | | Husband of the 3rd cousin |
| Porter, Suzanne | | 3rd cousin once removed |
| Postels, Anna Metta | July 11, 1796 | 3rd great-grandmother |
| Postels, Christine | Abt. 1742 | Wife of the 1st cousin 8 times removed |
| Postels, Hermann | | 4th great-grandfather |
| Powell, Shelly | | Wife of the 2nd cousin once removed |
| Praest, Jens Nielsen | | Husband of the 2nd cousin once removed |
| Praest, Rita Nielsen | | 3rd cousin |
| Praest, Tage Nielsen | | 3rd cousin |