August Ludwig Kosak 1873–1877 | | |
Auguste Wilhelmine Kosak 1878–1948 | | |
| | Wilhelmine Wissmann 1842– Ferdinand Kosak 1846–1924 | | | | Johann Wissmann 1789–1856 Henriette Festerling 1808–1876 | | |
| | | Johann (Ferdinand) Kosak 1819– | | | | Florentine Krause 1791–1872 | | | | Christoph (Christian) Kosak 1751–1837 Anna Christina (Elisabeth) Schenk 1757– | | | | Christian (Xstian) Kossak 1713– Catharina Schwarz 1725–1767 |
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| | | Christian Fetting 1801–1852 Henriette Harder 1797–1865 | | |
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