| Name | Relationship with Ellsworth La Coste | Civil | Canon |
|---|
| Van Giesen, Abraham | 6th great-granduncle | X | 9 |
| Van Giesen, Abraham | 1st cousin 7 times removed | XI | 9 |
| Van Giesen, Abraham Reynierse | 7th great-grandfather | IX | 9 |
| Van Giesen, Andries | 6th great-granduncle | X | 9 |
| Van Giesen, Andries | 2nd cousin 6 times removed | XII | 9 |
| Van Giesen, Anna Maria | 6th great-grandaunt | X | 9 |
| Van Giesen, Anna Marie | 7th great-grandaunt | XI | 10 |
| Van Giesen, Bastiaen Reyneirse | 7th great-granduncle | XI | 10 |
| Van Giesen, Catharina | 6th great-grandaunt | X | 9 |
| Van Giesen, Claesje | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Claesje | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Dierckje | 6th great-grandaunt | X | 9 |
| Van Giesen, Dierckje | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Dirck | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Dirckje | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Fytje | 2nd cousin 6 times removed | XII | 9 |
| Van Giesen, Gerret | 2nd cousin 6 times removed | XII | 9 |
| Van Giesen, Gerrit | Husband of the 5th great-grandaunt | | |
| Van Giesen, Gerrit | 2nd cousin 6 times removed | XII | 9 |
| Van Giesen, Gysbetje Reynierse | 7th great-grandaunt | XI | 10 |
| Van Giesen, Hendrick | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Hillegont | 2nd cousin 6 times removed | XII | 9 |
| Van Giesen, Isaac | 6th great-granduncle | X | 9 |
| Van Giesen, Isaac | 7th great-granduncle | XI | 10 |
| Van Giesen, Jacob Reynierse | 7th great-granduncle | XI | 10 |
| Van Giesen, Jacobus | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Jan | 9th great-grandfather | XI | 11 |
| Van Giesen, Jan Pieterson | 10th great-grandfather | XII | 12 |
| Van Giesen, Johannes | 6th great-granduncle | X | 9 |
| Van Giesen, Johannes | 2nd cousin 7 times removed | XIII | 10 |
| Van Giesen, Johannes Reynierse | 7th great-granduncle | XI | 10 |
| Van Giesen, Joris | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Magdalena Reynierse | 7th great-grandaunt | XI | 10 |
| Van Giesen, Metje | 1st cousin 7 times removed | XI | 9 |
| Van Giesen, N........ | 6th great-grandaunt | X | 9 |
| Van Giesen, Neeltje | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Petronella | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Pryntje | 6th great-grandmother | VIII | 8 |
| Van Giesen, Reynier | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Reynier | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Reynier | 6th great-granduncle | X | 9 |
| Van Giesen, Reynier | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Reynier Bastiaensen | 8th great-grandfather | X | 10 |
| Van Giesen, Rynier | 1st cousin 8 times removed | XII | 10 |
| Van Giesen, Sarah | 2nd cousin 6 times removed | XII | 9 |
| Van Grobbend, Gertrude | 14th great-grandmother | XVI | 16 |
| Van Gunst, Maria | Wife of the 8th great-granduncle | | |
| Van Haesdale, Pauwel Joostensz | 11th great-grandfather | XIII | 13 |
| Van Hees, Albert | 10th great-grandfather | XII | 12 |
| Van Hees, Coert Albertsen | 9th great-grandfather | XI | 11 |
