| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Richardson, Joseph Vanderlice | 4th cousin 4 times removed | XIV | 9 |
| Richardson, Mary Vanderlice | 4th cousin 4 times removed | XIV | 9 |
| Richardson, Sarah Harding | 7th great-grandmother | IX | 9 |
| 8th great-grandmother | X | 10 |
| Richardson, Unknown | Wife of the 7th cousin once removed | | |
| Riddlesford, Emmeline | 24th great-grandmother | XXVI | 26 |
| 27th great-grandmother | XXIX | 29 |
| Riley, Alice Stratton Vanderslice | 6th cousin twice removed | XVI | 9 |
| Riley, Charles C. | Husband of the 5th cousin 3 times removed | | |
| Riley, Eliza Celia Vanderslice | 6th cousin twice removed | XVI | 9 |
| Riley, William Vanderslice | 6th cousin twice removed | XVI | 9 |
| Ringheim, Matilda | 38th great-grandmother | XL | 40 |
| 39th great-grandmother | XLI | 41 |
| Roberts, Jeanette Or Jane Pyatt | Wife of the 2nd cousin 6 times removed | | |
| Roemer, Anna | 14th great-grandmother | XVI | 16 |
| Roemer, Johannes | 14th great-granduncle | XVIII | 17 |
| Rollos, Adeline Evemer | 30th great-grandmother | XXXII | 32 |
| Wife of the 31st great-granduncle | | |
| Rollos, Richard | 31st great-grandfather | XXXIII | 33 |
| Romer, Johannes | 15th great-grandfather | XVII | 17 |
| Ross, Euphemia Bruce | 21st great-grandaunt | XXV | 24 |
| 1st cousin 22 times removed | XXVI | 24 |
| 1st cousin 23 times removed | XXVII | 25 |
| 1st cousin 24 times removed | XXVIII | 26 |
| 1st cousin 25 times removed | XXIX | 27 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 1st cousin 26 times removed | XXX | 28 |
| 3rd cousin 22 times removed | XXX | 26 |
| 1st cousin 27 times removed | XXXI | 29 |
| 3rd cousin 23 times removed | XXXI | 27 |
| 3rd cousin 24 times removed | XXXII | 28 |
| 6th cousin 22 times removed | XXXVI | 29 |
| 6th cousin 23 times removed | XXXVII | 30 |
| 6th cousin 24 times removed | XXXVIII | 31 |
| 6th cousin 25 times removed | XXXIX | 32 |
| 6th cousin 26 times removed | XL | 33 |
| Ross, Euphemia Graham | 21st great-grandmother | XXIII | 23 |
| 3rd cousin 21 times removed | XXIX | 25 |
| 3rd cousin 22 times removed | XXX | 26 |
| 3rd cousin 25 times removed | XXXIII | 29 |
| Wife of the 19th great-grandfather | | |
| Wife of the 21st great-grandfather | | |
| Wife of the 22nd great-grandfather | | |
| Wife of the half 21st great-granduncle | | |
| Wife of the half 22nd great-granduncle | | |
| Wife of the 2nd cousin 21 times removed | | |
| Wife of the 2nd cousin 22 times removed | | |
| Wife of the 2nd cousin 23 times removed | | |
| Wife of the 2nd cousin 24 times removed | | |
| Wife of the 3rd cousin 22 times removed | | |