| | Wilhelm Westermann 1855–1932 | | | | Johann Wilhelm Westermann 1834–1896 Elisabeth Knoop 1833–1918 | | | | Johann Friedrich Wilhelm Westermann 1806–1841 Catharina Elisabeth Schäfer 1807–1842 | | | | Peter Caspar Westermann 1779–1837 Anna Christina Arenscheid 1773–1845 Catharina Elisabeth Arenscheid 1773–1809 | | |
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