Johannes Stephan Mertz
1736 - 1794 (57 years)Media: Family of Johannes Stephan Mertz
= At least one photo, history or other media item exists for this individual.
Mertz Side Parents
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Helfer Side Parents
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Media: Family of Johannes Stephan Mertz
= At least one photo, history or other media item exists for this individual.
Mertz Side Parents
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Helfer Side Parents
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