| | Heinrich Wilhelm Friedrich(Frederick) Drogemuller 1847–1937 Auguste Marie Louise (Augusta) Koch 1850–1929 | | | | Wilhelm Diedrich Droegmueller – |
| | | Adolph Wilhelm Eduard Carl (Adolph) Koch 1825–1870 Anna Maria Pauline Hoffmann 1842–1874 | | | | | Johann Samuel Gottlieb Hoffmann 1794–1865 Anna Marie Rosine Welhl 1800–1835 Johanne Christiane Lux 1815–1903 | | | | Samuel Hoffmann 1765–1836 | | |
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