| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 6th cousin 25 times removed | XXXIX | 32 |
| Stapleton, Ela | 22nd great-grandmother | XXIV | 24 |
| 7th cousin 26 times removed | XLII | 34 |
| 9th cousin 22 times removed | XLII | 32 |
| Wife of the half 8th cousin 22 times removed | | |
| Wife of the 9th cousin 21 times removed | | |
| Wife of the 9th cousin 23 times removed | | |
| Wife of the 9th cousin 24 times removed | | |
| Stapleton, Elizabeth | 23rd great-grandaunt | XXVII | 26 |
| 6th cousin 27 times removed | XLI | 34 |
| 8th cousin 23 times removed | XLI | 32 |
| Stapleton, Gilbert | 26th great-grandfather | XXVIII | 28 |
| 5th cousin 26 times removed | XXXVIII | 32 |
| Husband of the 3rd cousin 30 times removed | | |
| Stapleton, Joan | 24th great-grandaunt | XXVIII | 27 |
| 5th cousin 28 times removed | XL | 34 |
| 7th cousin 24 times removed | XL | 32 |
| Stapleton, John Fitzhenry | 30th great-grandfather | XXXII | 32 |
| 1st cousin 30 times removed | XXXIV | 32 |
| Stapleton, Katherine Fitzalan | 25th great-grandaunt | XXIX | 28 |
| 4th cousin 29 times removed | XXXIX | 34 |
| 6th cousin 25 times removed | XXXIX | 32 |
| Stapleton, Mable | 26th great-grandaunt | XXX | 29 |
| 5th cousin 26 times removed | XXXVIII | 32 |
| Stapleton, Miles | 26th great-granduncle | XXX | 29 |
| 5th cousin 26 times removed | XXXVIII | 32 |
| Stapleton, Miles | 23rd great-grandfather | XXV | 25 |
| 6th cousin 27 times removed | XLI | 34 |
| 8th cousin 23 times removed | XLI | 32 |
| Stapleton, Miles Basset | 27th great-grandfather | XXIX | 29 |
| 4th cousin 27 times removed | XXXVII | 32 |
| Stapleton, Miles Fitzalan | 25th great-grandfather | XXVII | 27 |
| 4th cousin 29 times removed | XXXIX | 34 |
| 6th cousin 25 times removed | XXXIX | 32 |
| Stapleton, Miles Hansard | 29th great-grandfather | XXXI | 31 |
| 2nd cousin 29 times removed | XXXV | 32 |
| Stapleton, Nicholas Darrell | 28th great-grandfather | XXX | 30 |
| 3rd cousin 28 times removed | XXXVI | 32 |
| Stapleton, William | 24th great-grandfather | XXVI | 26 |
| 5th cousin 28 times removed | XL | 34 |
| 7th cousin 24 times removed | XL | 32 |
| Steinman, Elizabeth | Wife of the 2nd cousin 4 times removed | | |
| Stewart, Ada | 25th great-grandaunt | XXIX | 28 |
| Stewart, Alan Of Dernley Stuart | 17th great-grandfather | XIX | 19 |
| 4th cousin 19 times removed | XXIX | 24 |
| 4th cousin 20 times removed | XXX | 25 |
| 4th cousin 21 times removed | XXXI | 26 |
| 6th cousin 17 times removed | XXXI | 24 |
| 4th cousin 22 times removed | XXXII | 27 |
| 5th cousin 20 times removed | XXXII | 26 |