| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Oldenburg, Margarethe | 18th great-grandmother | XX | 20 |
| Wife of the 1st cousin 17 times removed | | |
| Wife of the 3rd cousin 19 times removed | | |
| Wife of the half 3rd cousin 19 times removed | | |
| Wife of the 3rd cousin 20 times removed | | |
| Wife of the half 4th cousin 19 times removed | | |
| Wife of the half 4th cousin 20 times removed | | |
| Wife of the half 6th cousin 17 times removed | | |
| Wife of the 6th cousin 17 times removed | | |
| Wife of the 6th cousin 18 times removed | | |
| Wife of the half 7th cousin 17 times removed | | |
| Wife of the 7th cousin 17 times removed | | |
| Wife of the 6th cousin 19 times removed | | |
| Wife of the half 6th cousin 20 times removed | | |
| Wife of the 6th cousin 20 times removed | | |
| Wife of the 7th cousin 18 times removed | | |
| Wife of the 7th cousin 19 times removed | | |
| Wife of the 8th cousin 18 times removed | | |
| Wife of the half 7th cousin 20 times removed | | |
| Wife of the 9th cousin 16 times removed | | |
| Wife of the 7th cousin 20 times removed | | |
| Wife of the 7th cousin 21 times removed | | |
| Wife of the 7th cousin 22 times removed | | |
| Wife of the 8th cousin 21 times removed | | |
| Wife of the 9th cousin 19 times removed | | |
| Wife of the 7th cousin 23 times removed | | |
| Wife of the 10th cousin 18 times removed | | |
| Wife of the 10th cousin 19 times removed | | |
| Wife of the 10th cousin 20 times removed | | |
| Wife of the 10th cousin 21 times removed | | |
| Wife of the 12th cousin 17 times removed | | |
| Wife of the 10th cousin 22 times removed | | |
| Wife of the 12th cousin 18 times removed | | |
| Wife of the 14th cousin 15 times removed | | |
| Wife of the 12th cousin 19 times removed | | |
| Wife of the 13th cousin 18 times removed | | |
| Wife of the 13th cousin 20 times removed | | |
| Wife of the 14th cousin 18 times removed | | |
| Wife of the 12th cousin 22 times removed | | |
| Olifard, David | 26th great-grandfather | XXVIII | 28 |
| Olifard, Walter | 25th great-grandfather | XXVII | 27 |
| Olifard, Walter Of Aberdalgie | 24th great-grandfather | XXVI | 26 |
| Olifard, William | 27th great-grandfather | XXIX | 29 |
| Oliphant, John Of Aberdalgie Bruce | 21st great-grandfather | XXIII | 23 |
| 2nd cousin 21 times removed | XXVII | 24 |
| 2nd cousin 22 times removed | XXVIII | 25 |
| 2nd cousin 24 times removed | XXX | 27 |
| 4th cousin 20 times removed | XXX | 25 |
| 2nd cousin 25 times removed | XXXI | 28 |
| 4th cousin 21 times removed | XXXI | 26 |