Georg Wolfgang Koch
1874 - 1932 (57 years)(
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- 1 Georg Wolfgang Koch [1] b. 13 Sep 1874 d. 13 Aug 1932
- Katherina Anna Weis b. 4 Aug 1881
- 2 Joseph George Koch [1.1]
- 2 Helen Koch [1.2]
- 2 George Anthony Koch [1.3]
- 2 Joseph George Koch [1.1]