Mary Gertrude Douvier
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- 1 Mary Gertrude Douvier [1]
- Reinhold Pressler b. 13 Nov 1876 d. 26 Aug 1949
- 2 Katherine Nellie Pressler [1.1] b. 18 Jun 1914 d. 2 Oct 2000
- Elmer Lorenzo Singer b. 26 Feb 1916 d. 7 Nov 1986
- 3 Janice Singer [1.1.1]
- 3 David Raymond Singer [1.1.2] b. 24 May 1942 d. 5 Aug 2002
- + Unknown
- + Unknown
- 3 Singer [1.1.3]
- 3 Janice Singer [1.1.1]
- + John Robert Thyberg
- 2 Katherine Nellie Pressler [1.1]