Petronela Gruenke
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- 1 Petronela Gruenke
- Henryk Pretzlaw
- 2 Julianna Pretzlaw
- + August Ludwig Fehlauer b. 1839 d. Yes, date unknown
- + August Ludwig Fehlauer b. 1839 d. Yes, date unknown
- 2 Julianna Pretzlaw