Madeleine Billmann
1854 - (
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- 1 Madeleine Billmann [1] b. 8 Nov 1854
- Carl Studer b. 19 Sep 1849
- 2 Ludwig Studer [1.1] b. 4 Aug 1871
- 2 Georg Studer [1.2] b. 7 Dec 1887
- + Marie Lagasse b. 19 Feb 1887
- + Marie Lagasse b. 19 Feb 1887
- 2 Ludwig Studer [1.1]