Johannes Jakob Fröhlich
 1812 - 1841  (28 years)
 1812 - 1841  (28 years)( = Descendancy chart to this point,
 = Descendancy chart to this point,  = Expand,
 = Expand,  = Collapse)
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- 1  Johannes Jakob Fröhlich [1]  b. 19 Feb 1812 d. 17 Feb 1841
 Johanna Klemm  b. 24 Oct 1812 Johanna Klemm  b. 24 Oct 1812
 - 2  Friedrich Fröhlich [1.1]    b. 8 Aug 1840 b. 8 Aug 1840- +  Maria Anna Petermann  b. 12 Jan 1841  
 
- +  Maria Anna Petermann  b. 12 Jan 1841  
 
- 2  Friedrich Fröhlich [1.1]   
 
