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- FatherAugust Friedrich Wilhelm Jr. ZuhlkeBirth: May 8, 1864
- Paternal grandfatherFriedrich August Wilhelm ZühlkeBirth: May 10, 1839
- Paternal grandmotherErnestine Wilhelmine SchulzBirth: August 26, 1837
- Great-grandfatherFriedrich ZühlkeBirth: December 26, 1810
- Great-grandmotherWilhelmine Luise BorckBirth: July 20, 1813