| Father | Jacob Gerritsz HERWEIJER (1818 - 1876) |
| Mother | Maaike "Miketje" VELDHOEN (1818 - 1893) |
| Sibling | Geertrui Jacobsdr HERWEIJER (1846 - 1912) |
| Sibling | Johanna Heryen HERWEYER (1856 - 1923) |
| Sibling | Gerrit Jacobsz HERWEYER (1854 - 1872) |
| Sibling | Cornelia Herweyer (1859 - 1920) |
| Sibling | Doodgeboren kind HERWEIJER (1853 - 1853) |
| Sibling | Neeltje Herweyer (1850 - 1904) |
| Sibling | Gerrit Jacobs HERWEIJER (1848 - 1850) |
| Sibling | Doodgeboren kind HERWEIJER (1845 - 1845) |
| Sibling | Grietje "Gertrude" HERWEYER (1861 - 1940) |
| Sibling | Bettje "Elizabeth" HERWEYER (1842 - 1880) |