| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Zimmerman, Christian Morgert | 8th great-granduncle | XII | 11 |
| 2nd cousin 12 times removed | XVIII | 15 |
| Zimmerman, Christian Thoenen | 10th great-granduncle | XIV | 13 |
| Zimmerman, Christian Wenger | 9th great-granduncle | XIII | 12 |
| 1st cousin 13 times removed | XVII | 15 |
| Zimmerman, David Morgert | 8th great-granduncle | XII | 11 |
| 2nd cousin 12 times removed | XVIII | 15 |
| Zimmerman, Elizabeth Or Elsbeth Wenger | 9th great-grandaunt | XIII | 12 |
| 1st cousin 13 times removed | XVII | 15 |
| Zimmerman, Elsbeth Morgert | 8th great-grandaunt | XII | 11 |
| 2nd cousin 12 times removed | XVIII | 15 |
| Zimmerman, Elsbeth Thoenen | 10th great-grandaunt | XIV | 13 |
| Zimmerman, Felix | 12th great-grandfather | XIV | 14 |
| Zimmerman, Felix Thoenen | 10th great-granduncle | XIV | 13 |
| Zimmerman, Hans Morgert | 8th great-granduncle | XII | 11 |
| 2nd cousin 12 times removed | XVIII | 15 |
| Zimmerman, Hans Thoenen | 10th great-granduncle | XIV | 13 |
| Zimmerman, Hans Wenger | 9th great-granduncle | XIII | 12 |
| 1st cousin 13 times removed | XVII | 15 |
| Zimmerman, Heinrich Morgert "Henry Carpenter" | 8th great-grandfather | X | 10 |
| 2nd cousin 12 times removed | XVIII | 15 |
| Zimmerman, Heinrich Thoenen | 10th great-granduncle | XIV | 13 |
| Zimmerman, Heinrich Thoenen | 10th great-grandfather | XII | 12 |
| Husband of the 12th great-grandaunt | | |
| Zimmerman, Heinrich Wenger | 9th great-grandfather | XI | 11 |
| 1st cousin 13 times removed | XVII | 15 |
| Zimmerman, Margaretha | 9th great-grandmother | XI | 11 |
| Zimmerman, Melchior Wenger | 9th great-granduncle | XIII | 12 |
| 1st cousin 13 times removed | XVII | 15 |
| Zinn, Lydia | 4th great-grandmother | VI | 6 |
| Wife of the 2nd cousin 7 times removed | | |
| Zouche, Alan Fergan | 26th great-grandfather | XXVIII | 28 |
| 29th great-grandfather | XXXI | 31 |
| 3rd cousin 26 times removed | XXXIV | 30 |
| 1st cousin 30 times removed | XXXIV | 32 |
| 3rd cousin 29 times removed | XXXVII | 33 |
| 1st cousin 33 times removed | XXXVII | 35 |
| Husband of the 2nd cousin 29 times removed | | |
| Husband of the 2nd cousin 31 times removed | | |
| Zouche, Alan II | 24th great-grandfather | XXVI | 26 |
| 27th great-grandfather | XXIX | 29 |
| 5th cousin 24 times removed | XXXVI | 30 |
| 3rd cousin 28 times removed | XXXVI | 32 |
| 4th cousin 27 times removed | XXXVII | 32 |
| 4th cousin 29 times removed | XXXIX | 34 |
| 5th cousin 27 times removed | XXXIX | 33 |
| 3rd cousin 31 times removed | XXXIX | 35 |
| Zouche, Alan Leon | 28th great-grandfather | XXX | 30 |
| 31st great-grandfather | XXXIII | 33 |
| Husband of the 1st cousin 28 times removed | | |