B. Koerner / E. Strutz, Bergisches Geschlechterbuch 3 (DGB 83), Görlitz 1935, S. 144
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Johann Friedrich GRONEWEG | __
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Konrad August GRONEWEG | __
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| | Elisabeth WEMHÖVENER | __
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|--August GRONEWEG
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| Friederika SOMMER | __
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