Maria Anna Wirth
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- 1 Maria Anna Wirth [1]
- Ernest Mertz b. 19 Sep 1887 d. 0May 1968
- 2 Marian Mertz [1.1] b. 13 Mar 1912 d. 0Jan 1978
- John Frederick Koehler b. 14 Sep 1906 d. 0Aug 1979
- 3 Rita Anne Koehler [1.1.1] b. 12 Apr 1932 d. 10 Dec 2010
- 3 Ruth Koehler [1.1.2]
- 3 Rita Anne Koehler [1.1.1]
- 2 Marian Mertz [1.1]