Wilhelmina Koch 1859–1930 Johannes Bernardus Nijman 1855–1932 | | |
Elizabeth Wilhelmina van Duijn 1891–1951 Aafje Catharina Raadsen 1897–1995 | | |
Carel Fredrik George Lap 1893–1941 Suzanna Jacoba de Zwart 1892–1982 | | |
Folkert Johan Lap 1895–1976 Jannetje ‘Jeanne’ Brouwer 1893–1925 Anna Maria Niemans 1891–1983 | | |
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Johannes Jacobus Wessels 1860–1939 | | |
Elisabeth Johanna Albers 1867– | | |
Olfert Pieter Koch 1869–1886 | | |
| | Carel Fredrik George Koch 1839–1873 Jenske Olferts Lap 1834–1919 | | | | | Olfert Pieters Lap 1801–1854 Grietje Folkerts Visser 1805–1870 | | | | Pieter Sents Lap 1768–1829 Aagje Olferts Oomes 1769–1850 | | | | Sent Pieters Lap 1740–1777 | | |
| | | Olfert Jans Omes 1737–1786 | | |
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| | | Folkert Jacobs Visser 1769–1827 | | |
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