Philipp Jakob Helfer
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- 1 Philipp Jakob Helfer [1] b. 1767
Susanna Dutt b. 1769
- 2 Margaretha Helfer [1.1]
b. 1812
- + Valentin Keller
- + Wilhelm Schwartz b. 31 Jan 1810
- + Valentin Keller
- 2 Margaretha Helfer [1.1]