| Name | Relationship with Natalie Seiwell | Civil | Canon |
| 5th cousin 8 times removed | XX | 14 |
| Noble, Kate Alexander | 7th great-grandaunt | XI | 10 |
| 4th cousin 9 times removed | XIX | 14 |
| Noble, Mary Ann Alexander | 7th great-grandaunt | XI | 10 |
| 4th cousin 9 times removed | XIX | 14 |
| Noble, Mary Saunders | 6th great-grandaunt | X | 9 |
| 5th cousin 8 times removed | XX | 14 |
| Noble, Nancy Gilbert | 8th great-grandaunt | XII | 11 |
| Noble, Nathan Saunders | 6th great-granduncle | X | 9 |
| 5th cousin 8 times removed | XX | 14 |
| Noble, Patsy Saunders | 6th great-grandaunt | X | 9 |
| 5th cousin 8 times removed | XX | 14 |
| Noble, Thomas | 9th great-grandfather | XI | 11 |
| Noble, Thomas Gilbert | 8th great-granduncle | XII | 11 |
| Noble, William Saunders | 6th great-granduncle | X | 9 |
| 5th cousin 8 times removed | XX | 14 |
| Nortoft, Margaret | 20th great-grandmother | XXII | 22 |
| Nortoft, Thomas | 21st great-grandfather | XXIII | 23 |
| Obermuller, Mary Catherine Elizabeth | 8th great-grandmother | X | 10 |
| O'Brien, Lafracoth | 28th great-grandmother | XXX | 30 |
| 29th great-grandmother | XXXI | 31 |
| 30th great-grandmother | XXXII | 32 |
| O'Brien, Murtagh | 29th great-grandfather | XXXI | 31 |
| 30th great-grandfather | XXXII | 32 |
| 31st great-grandfather | XXXIII | 33 |
| O'Cathan, Agnes | 21st great-grandmother | XXIII | 23 |
| 22nd great-grandmother | XXIV | 24 |
| O'Cathan, Guy | 22nd great-grandfather | XXIV | 24 |
| 23rd great-grandfather | XXV | 25 |
| O'Duibhne, Eva Man | 30th great-grandmother | XXXII | 32 |
| O'Duibhne, Paul | 31st great-grandfather | XXXIII | 33 |
| Offley, John | 17th great-grandfather | XIX | 19 |
| Offley, Richard | 18th great-grandfather | XX | 20 |
| Offley, Robert Braken | 14th great-grandfather | XVI | 16 |
| Offley, Robert Wright | 15th great-grandfather | XVII | 17 |
| Offley, Sarah Osborne | 13th great-grandmother | XV | 15 |
| Offley, William Dilthorne | 16th great-grandfather | XVIII | 18 |
| Ogilvie, Alexander Ramsay | 18th great-granduncle | XXII | 21 |
| Ogilvie, Gilchrist | 24th great-grandfather | XXVI | 26 |
| 25th great-grandfather | XXVII | 27 |
| 26th great-grandfather | XXVIII | 28 |
| 27th great-grandfather | XXIX | 29 |
| 28th great-grandfather | XXX | 30 |
| 29th great-grandfather | XXXI | 31 |
| 30th great-grandfather | XXXII | 32 |
| Ogilvie, Giles Glen | 17th great-grandmother | XIX | 19 |
| 2nd cousin 17 times removed | XXIII | 20 |
| 3rd cousin 20 times removed | XXVIII | 24 |
| 5th cousin 18 times removed | XXX | 24 |
| Wife of the 2nd cousin 18 times removed | | |