Emma Unknown
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- 1 Emma Unknown [1]
- William Gruber
- 2 Charles Frederick Gruber [1.1] b. 12 Oct 1888 d. 27 Oct 1925
- Ottillia Bertha Singer b. 12 May 1892 d. 20 May 1965
- 3 Wilbur C. Gruber [1.1.1] b. 23 Mar 1915 d. 9 Apr 1953
- 3 Charles Gruber [1.1.2]
- 3 Catherine Gruber [1.1.3]
- 3 Wilbur C. Gruber [1.1.1]
- 2 Charles Frederick Gruber [1.1]