Johannes Mertz
1843 - (
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- 1 Johannes Mertz [1] b. 29 Jul 1843
- Helena Andelfinger b. 6 Feb 1853
- 2 Ludwig Mertz [1.1] b. 1 Apr 1877
- Katharina Schäfer b. 19 Feb 1883
- 3 Mertz [1.1.1]
- 3 Mertz [1.1.1]
- 2 Ludwig Mertz [1.1]