Max Julius Ernst Sietz 1867–1937 | | |
| | Friederike Emilie Christiane Hackbarth 1836– Leopold Karl Sietz 1833–1913 | | | | | Johann Friedrich Sietz 1798–1872 Ernestine Beate Juliane Siewert 1811–1864 | | | | Charlotte Lovisa Brickmann 1775–1861 | | | | Anna Renata Podewils 1747–1804 | | |
| | | Johann Erdmann Brickmann – Dorothea Elisabeth Drawe – |
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| | | George Gottlieb Siewert 1763–1821 Juliane Sophia Grulich –1842 | | |
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