Joyce M. Schumacher
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- 1 Joyce M. Schumacher [1]
- Albert Patrick Zwick b. 17 Mar 1925 d. 17 Dec 2010
- 2 James P. Zwick [1.1] b. 8 Sep 1952 d. 21 Apr 1982
- 2 James P. Zwick [1.1]