Olga Martha Boss 1884–1961 Wilhelm Heinrich Kalkau 1874–1946 | | | | Carl Friedrich Boss 1860–1908 Ottilie Adolphine Trinkert 1861– | | | | | Johann August Trinkert 1828–1868 Ottilie Mathilde Behrend 1836– | | | | | Wilhelm Behrend 1801–1881 Anna Christine Dorn 1812–1860 |
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| | | Gottlieb Rudolph Kalkau 1839–1902 Johanne Pauline Knorr 1852– | | | | | Johann Carl Knorr 1821–1894 | | | | Johann Friedrich Kreuzer 1781–1846 |
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