| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Pennebecker, Anna Wireman | 3rd cousin 5 times removed | XIII | 9 |
| Pennebecker, Benjamin Wireman | 3rd cousin 5 times removed | XIII | 9 |
| Pennebecker, Catherine Wireman | 3rd cousin 5 times removed | XIII | 9 |
| Pennebecker, Elizabeth Miller | 5th great-grandaunt | IX | 8 |
| Pennebecker, Elizabeth Wireman | 3rd cousin 5 times removed | XIII | 9 |
| Pennebecker, Eve Miller | 5th great-grandaunt | IX | 8 |
| Pennebecker, Hanna Wireman | 3rd cousin 5 times removed | XIII | 9 |
| Pennebecker, Henry Miller | 5th great-granduncle | IX | 8 |
| Pennebecker, Henry Wireman | 3rd cousin 5 times removed | XIII | 9 |
| Pennebecker, John Miller | 5th great-granduncle | IX | 8 |
| Pennebecker, Mary Miller | 5th great-grandaunt | IX | 8 |
| Pennebecker, Peter Umstat | 6th great-granduncle | X | 9 |
| Pennebecker, William Keyser | 1st cousin 7 times removed | XI | 9 |
| Pennepacker, Abraham Koons | 4th cousin 4 times removed | XIV | 9 |
| Pennepacker, Charlotte Yoder | 5th cousin 3 times removed | XV | 9 |
| Pennepacker, Elizabeth Yoder | 5th cousin 3 times removed | XV | 9 |
| Pennepacker, John Yoder | 5th cousin 3 times removed | XV | 9 |
| Pennepacker, Margaret Or Maglean Yoder | 5th cousin 3 times removed | XV | 9 |
| Pennepacker, Mary Ann Yoder | 5th cousin 3 times removed | XV | 9 |
| Pennepacker, Mary Wikstrom | 6th cousin twice removed | XVI | 9 |
| Pennepacker, Sarah Jane "Jennie" Yoder | 5th cousin 3 times removed | XV | 9 |
| Pennington, Abigail | 8th great-grandmother | X | 10 |
| 9th great-grandmother | XI | 11 |
| 1st cousin 7 times removed | XI | 9 |
| 2nd cousin 6 times removed | XII | 9 |
| 2nd cousin 7 times removed | XIII | 10 |
| 3rd cousin 7 times removed | XV | 11 |
| 3rd cousin 8 times removed | XVI | 12 |
| Wife of the 8th great-grandfather | | |
| Wife of the 7th great-granduncle | | |
| Wife of the 8th great-granduncle | | |
| Wife of the 11th great-granduncle | | |
| Wife of the 12th great-granduncle | | |
| Pennington, Beniah | 11th great-grandfather | XIII | 13 |
| 12th great-grandfather | XIV | 14 |
| Pennington, Levi | 10th great-grandfather | XII | 12 |
| 11th great-grandfather | XIII | 13 |
| Pennington, William | 9th great-grandfather | XI | 11 |
| 10th great-grandfather | XII | 12 |
| Husband of the 6th great-grandaunt | | |
| Husband of the 1st cousin 7 times removed | | |
| Husband of the 1st cousin 8 times removed | | |
| Husband of the 2nd cousin 8 times removed | | |
| Husband of the 2nd cousin 9 times removed | | |
| Pennypacker, Anna Agnes | 7th great-grandaunt | XI | 10 |
| Pennypacker, Anna Katharina | 7th great-grandaunt | XI | 10 |
| Pennypacker, Anna Ursula | 7th great-grandaunt | XI | 10 |
| Pennypacker, Catherine Miller | 5th great-grandmother | VII | 7 |
| Pennypacker, James Wireman | 3rd cousin 5 times removed | XIII | 9 |
| Pennypacker, Johann Friedrich | 7th great-granduncle | XI | 10 |