| | Christian Conrad GASTROCK 1871–1957 Martha Elisabeth SIEBERT 1872–1950 | | | | Johann Gottlob GASTROCK 1838–1904 Margaretha IMKE 1831–1895 | | | | Johann Christoph GASTROCK 1806–1857 Maria Elisabeth SIPPEL 1832–1916 Maria Elisabeth DEGENHARDT 1806–1854 | | |
| | | Catharina Elisabeth WÄCHTER – |
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| | | Johann Bernhardt SIEBERT 1840–1890 Regina Elisabeth SIPPEL 1833– | | | | Johann Wilhelm SIEBERT 1784–1847 Martha Elisabeth GASTROCK 1807–1841 | | |
| | | Johann Wilhelm SIPPEL 1791–1865 Martha Elisabetha SIPPEL 1797–1871 | | |
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