| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 2nd cousin 6 times removed | XII | 9 |
| 2nd cousin 7 times removed | XIII | 10 |
| 7th cousin 5 times removed | XXI | 13 |
| Light, Barbara Landis | 6th great-grandaunt | X | 9 |
| 1st cousin 7 times removed | XI | 9 |
| Light, Barbara Peiffer | 5th great-grandaunt | IX | 8 |
| 1st cousin 8 times removed | XII | 10 |
| Light, Carol Kline | Grandaunt | IV | 3 |
| 6th cousin twice removed | XVI | 9 |
| 6th cousin 3 times removed | XVII | 10 |
| 7th cousin once removed | XVII | 9 |
| 7th cousin twice removed | XVIII | 10 |
| 12th cousin | XXVI | 13 |
| 10th cousin 4 times removed | XXVI | 15 |
| Light, Catherine Funck | 5th great-grandaunt | IX | 8 |
| 1st cousin 7 times removed | XI | 9 |
| 2nd cousin 6 times removed | XII | 9 |
| 2nd cousin 7 times removed | XIII | 10 |
| 7th cousin 5 times removed | XXI | 13 |
| Light, Catherine Landis | 6th great-grandaunt | X | 9 |
| 1st cousin 7 times removed | XI | 9 |
| Light, Catherine Zinn | 3rd great-grandaunt | VII | 6 |
| 3rd cousin 6 times removed | XIV | 10 |
| Light, Charles T. Killian | Great-grandfather | III | 3 |
| 5th cousin 4 times removed | XVI | 10 |
| 9th cousin 5 times removed | XXV | 15 |
| Husband of the 5th cousin 3 times removed | | |
| Husband of the 6th cousin twice removed | | |
| Husband of the 6th cousin 3 times removed | | |
| Husband of the 11th cousin once removed | | |
| Light, Christiana Funck | 5th great-grandaunt | IX | 8 |
| 1st cousin 7 times removed | XI | 9 |
| 2nd cousin 6 times removed | XII | 9 |
| 2nd cousin 7 times removed | XIII | 10 |
| 7th cousin 5 times removed | XXI | 13 |
| Light, Clarence Killian | Great-granduncle | V | 4 |
| 5th cousin 4 times removed | XVI | 10 |
| 9th cousin 5 times removed | XXV | 15 |
| Light, Dorothy Kline | Grandaunt | IV | 3 |
| 6th cousin twice removed | XVI | 9 |
| 6th cousin 3 times removed | XVII | 10 |
| 7th cousin once removed | XVII | 9 |
| 7th cousin twice removed | XVIII | 10 |
| 12th cousin | XXVI | 13 |
| 10th cousin 4 times removed | XXVI | 15 |
| Light, Elizabeth Ellenberger | 4th great-grandaunt | VIII | 7 |
| 2nd cousin 7 times removed | XIII | 10 |
| Light, Elizabeth Landis | 6th great-grandaunt | X | 9 |
| 1st cousin 7 times removed | XI | 9 |
| Light, Elizabeth Peiffer | 5th great-grandaunt | IX | 8 |