| | Johannes Marinus Heijnekamp 1864–1903 Katharina Elisabeth Lith 1870–1935 | | |
| | Geurt Heijnekamp 1867–1937 Jannetje Jansen 1867–1912 | | |
| | Elisabeth Aleida Heijnekamp 1873–1912 | | |
| | Elsje Heijnekamp 1862–1924 Antonie Nieuwenhuijse 1849–1935 | | |
Gijsbertha Heijnekamp 1877–1936 | | |
Dirk Elias Heijnekamp 1870–1898 | | |
| | Gijsbert Heijnekamp 1841–1913 Elisabeth Aleida Gerritsen 1830–1914 | | |