Johan Wilhelm Conrad "Willem" Koch 1825–1913 Wilhelmina Carolina Augusta Korten 1826–1892 Anna Maria Vigelius 1835– | | | | Giesbert Albert Georg Theodor Koch 1792–1872 Maria Margaretha Vigelius 1794–1866 | | | | Johann Wilhelm Koch 1760–1833 Louise Albertine Uhlenbruch 1755–1819 | | | | Johann Peter Conrad Koch – |
| | | Johann Diederich Alexander Uhlenbruch 1717–1780 Catharina Abigail Christ 1726–1776 | | | | Albert Uhlenbruch 1675–1730 Anna Elisabeth Schmelten 1683– |
| | | Johan Diederich Christ 1698–1768 Maria Linderhuysen 1702–1772 |
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