William Wissmann
1875 - 1908 (~ 32 years)(
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- 1 William Wissmann [1] b. 0Jun 1875 d. 1908
- + Helen A. Koopmann b. 2 Jun 1872 d. 10 Jun 1944
- + Helen A. Koopmann b. 2 Jun 1872 d. 10 Jun 1944