Carel Frederik Wilhelm Koch 1788–1862 | | |
Johan Wilhelm Conrad "Willem" Koch 1825–1913 Wilhelmina Carolina Augusta Korten 1826–1892 Anna Maria Vigelius 1835– | | |
Anna Maria Louisa Koch 1826–1907 | | |
Karel Peter Theodoor Koch 1829–1884 | | |
Johan Karel Koch 1831–1903 | | |
| | Giesbert Albert Georg Theodor Koch 1792–1872 Maria Margaretha Vigelius 1794–1866 | | |
Jan Willem Peter Koch 1797–1859 | | |
Ludewig Friederich Furchtegott Koch 1800–1826 | | |
| | Johann Wilhelm Koch 1760–1833 Louise Albertine Uhlenbruch 1755–1819 | | |