Dorothea Wilhelmine Emma Elisabeth Sietz 1901–1996 | | |
Wilhelm Karl Johannes Paul Sietz 1899–1923 | | |
| | Wilhelm Friedrich Markus Sietz 1858–1934 Marta Emma Elisabeth Wilhelmine Wichmann 1865–1922 | | | | Heinrich Wilhelm Sietz 1811–1870 | | | | Charlotte Lovisa Brickmann 1775–1861 | | | | Anna Renata Podewils 1747–1804 | | |
| | | Johann Erdmann Brickmann – Dorothea Elisabeth Drawe – |
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| | | | | | | Henriette Böning 1811–1901 |
| | | Euphrosina Henriette Sietz 1801–1881 | | | | Charlotte Lovisa Brickmann 1775–1861 | | | | Anna Renata Podewils 1747–1804 | | |
| | | Johann Erdmann Brickmann – Dorothea Elisabeth Drawe – |
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