| | Albert Ferdinand Oscar Sietz 1857–1897 Helene Gertrude Pauline Groddeck 1869–1943 Emma Ida Adelheid Donnerstag 1864–1888 | | | | August Ferdinand Sietz 1809–1875 Caroline Schneider 1814–1840 Leopoldine Albertine Schneider 1823–1858 | | | | Charlotte Lovisa Brickmann 1775–1861 | | | | Anna Renata Podewils 1747–1804 | | |
| | | Johann Erdmann Brickmann – Dorothea Elisabeth Drawe – |
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| | | Johann Jacob Gustav Groddeck 1831–1883 Karoline Friederike Albertine Pollnau (verw.Liebrecht) 1825–1885 | | | | Gertrude Regina Pollnau 1793–1847 | | | | Johann Groddeck 1758–1807 | | |
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