| Name | Relationship with Natalie Seiwell | Civil | Canon |
| Roucy, Alice Hainault | 33rd great-grandmother | XXXV | 35 |
| 34th great-grandmother | XXXVI | 36 |
| Roucy, Felicia Montdidier | 32nd great-grandaunt | XXXVI | 35 |
| 33rd great-grandaunt | XXXVII | 36 |
| Roucy, Gilbert Lorraine | 35th great-grandfather | XXXVII | 37 |
| 36th great-grandfather | XXXVIII | 38 |
| Roucy, Margaret Montdidier | 32nd great-grandmother | XXXIV | 34 |
| 33rd great-grandmother | XXXV | 35 |
| Roucy, Renaud | 36th great-grandfather | XXXVIII | 38 |
| 37th great-grandfather | XXXIX | 39 |
| Roucy, Yvette | 34th great-grandaunt | XXXVIII | 37 |
| 35th great-grandaunt | XXXIX | 38 |
| Rouet, Katherine | 19th great-grandmother | XXI | 21 |
| 22nd great-grandmother | XXIV | 24 |
| Wife of the half 2nd cousin 21 times removed | | |
| Wife of the half 3rd cousin 21 times removed | | |
| Wife of the 3rd cousin 21 times removed | | |
| Wife of the half 2nd cousin 24 times removed | | |
| Wife of the half 3rd cousin 24 times removed | | |
| Wife of the 5th cousin 20 times removed | | |
| Wife of the 3rd cousin 24 times removed | | |
| Wife of the 4th cousin 22 times removed | | |
| Wife of the 5th cousin 23 times removed | | |
| Wife of the 4th cousin 25 times removed | | |
| Rouet, Payne | 20th great-grandfather | XXII | 22 |
| 23rd great-grandfather | XXV | 25 |
| Ruby, Precious | Wife of the 3rd cousin 6 times removed | | |
| Rufener, Anna Krebs | 8th great-grandaunt | XII | 11 |
| Rufener, Anna Stucki | 9th great-grandaunt | XIII | 12 |
| Rufener, Barbara Krebs | 8th great-grandaunt | XII | 11 |
| Rufener, Barbara Wenger | 11th great-grandaunt | XV | 14 |
| Rufener, Bernhard Stucki | 9th great-granduncle | XIII | 12 |
| Rufener, Christian Krebs | 8th great-granduncle | XII | 11 |
| Rufener, Elsbeth Krebs | 8th great-grandaunt | XII | 11 |
| Rufener, Hans Heger | 10th great-grandfather | XII | 12 |
| Rufener, Hans Krebs | 8th great-granduncle | XII | 11 |
| Rufener, Hans Stucki | 9th great-granduncle | XIII | 12 |
| Rufener, Jakob Wenger | 11th great-granduncle | XV | 14 |
| Rufener, Johann Or Hans Wenger | 11th great-grandfather | XIII | 13 |
| Rufener, Magdalena Stucki | 9th great-grandaunt | XIII | 12 |
| Rufener, Maria Salome Krebs | 8th great-grandmother | X | 10 |
| Wife of the 2nd cousin 12 times removed | | |
| Rufener, Marie Wenger | 11th great-grandaunt | XV | 14 |
| Rufener, Peter | 12th great-grandfather | XIV | 14 |
| Rufener, Peter Heger | 10th great-granduncle | XIV | 13 |
| Rufener, Peter Stucki | 9th great-grandfather | XI | 11 |
| Rufener, Stini Wenger | 11th great-grandaunt | XV | 14 |
| Rumilly, Cecily | 28th great-grandmother | XXX | 30 |
| 31st great-grandmother | XXXIII | 33 |
| Wife of the 29th great-granduncle | | |