| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Wife of the 9th cousin 22 times removed | | |
| Wife of the 9th cousin 23 times removed | | |
| Wife of the 9th cousin 24 times removed | | |
| Lancaster, Alicia | 24th great-grandmother | XXVI | 26 |
| 25th great-grandmother | XXVII | 27 |
| 26th great-grandmother | XXVIII | 28 |
| 27th great-grandmother | XXIX | 29 |
| Landis, Anna Loban | 7th great-grandaunt | XI | 10 |
| Landis, Barbara Loban | 7th great-grandmother | IX | 9 |
| Wife of the 6th great-granduncle | | |
| Landis, Elizabeth Loban | 7th great-grandaunt | XI | 10 |
| Landis, Felix Egli | 10th great-grandfather | XII | 12 |
| Landis, Felix Hochstrasser | 11th great-grandfather | XIII | 13 |
| Landis, Felix Sonreter | 9th great-grandfather | XI | 11 |
| Landis, Felix Weltner | 8th great-grandfather | X | 10 |
| Landis, Hans | 13th great-grandfather | XV | 15 |
| Landis, Hans Schinz | 12th great-grandfather | XIV | 14 |
| Landis, Hans Sonreter | 9th great-granduncle | XIII | 12 |
| Landis, Heinrich Or Henry Loban | 7th great-granduncle | XI | 10 |
| Landis, Jacob Sonreter | 9th great-granduncle | XIII | 12 |
| Lascelles, Christiana Leslie | 22nd great-grandmother | XXIV | 24 |
| 27th great-grandmother | XXIX | 29 |
| 28th great-grandmother | XXX | 30 |
| Wife of the 23rd great-granduncle | | |
| Wife of the 24th great-granduncle | | |
| Wife of the 25th great-granduncle | | |
| Wife of the 26th great-granduncle | | |
| Wife of the 27th great-granduncle | | |
| Latham, Dunning | 31st great-grandfather | XXXIII | 33 |
| Latham, Henry Fitz Siward | 29th great-grandfather | XXXI | 31 |
| Latham, Isabel Knowesley | 24th great-grandmother | XXVI | 26 |
| Latham, Richard Fitz Robert Wimple | 27th great-grandfather | XXIX | 29 |
| Latham, Robert Alfreton | 25th great-grandfather | XXVII | 27 |
| Latham, Robert Fitz Richard Nelson | 26th great-grandfather | XXVIII | 28 |
| Latham, Robert Fitzhenry Woodward | 28th great-grandfather | XXX | 30 |
| Latham, Siward Fitz Dunning Essex | 30th great-grandfather | XXXII | 32 |
| Leake, Emma | Wife of the 5th cousin 3 times removed | | |
| Lee, Elizabeth | 11th great-grandmother | XIII | 13 |
| Leech, Dennis | 19th great-grandfather | XXI | 21 |
| Leech, Joan | 18th great-grandmother | XX | 20 |
| Leith, Elizabeth | 22nd great-grandmother | XXIV | 24 |
| Lennox, Ada Stewart | 23rd great-grandaunt | XXVII | 26 |
| 1st cousin 23 times removed | XXVII | 25 |
| 1st cousin 24 times removed | XXVIII | 26 |
| 1st cousin 25 times removed | XXIX | 27 |
| 1st cousin 26 times removed | XXX | 28 |
| 1st cousin 27 times removed | XXXI | 29 |
| 1st cousin 28 times removed | XXXII | 30 |
| 1st cousin 29 times removed | XXXIII | 31 |
| 4th cousin 24 times removed | XXXIV | 29 |