| | Geurt Martinus Heijnekamp 1877–1934 | | | | Martinus Heijnekamp 1848–1916 | | | | Geurt Heijnekamp 1812–1882 | | | | Gijsbert Heijnekamp 1775–1845 Dirkje Boudewijn 1781–1858 Catharina Wart van der 1774–1801 Carolina Margaretha Heijkamp 1774–1804 | | |
| | | Mechteld Onderstal 1789–1856 | | |
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| | | Johanna Maria Koppelmans …–… | | | | Maria Wildenberg van de …–… |
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