Johannes Michael Gelder
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- 1  Johannes Michael Gelder [1]  b. 1709 d. 3 Jan 1744
  Anna Maria Wilhelm  b. 1722 d. 10 Jan 1744
- 2  Anna Elisabetha Gelder [1.1]   
 b. 23 Jan 1739 d. 11 Aug 1809
                    
  Johannes Brechtel  b. 1740 d. 31 Dec 1808
- 3  Anna Maria Brechtel [1.1.1]   
 b. 9 May 1777 d. 14 Jan 1841
                                    
  Georg Peter Merckel  b. 5 Sep 1780 d. 14 Jun 1836
- 4  Johannes Philipp Merckel [1.1.1.1]   
 b. 20 Sep 1809 d. 21 Oct 1837
                                                 - 4  Barbara Merckel [1.1.1.2]   
 b. 14 May 1812 d. 1 Apr 1850
[ =>]                                                 - 4  Joseph Merckel [1.1.1.3]   
 b. 30 Apr 1815 d. 8 Mar 1875
[ =>]                                                 - 4  Anna Maria Merckel [1.1.1.4]   
 b. 2 Aug 1818  
[ =>]                                                 
- 4  Johannes Philipp Merckel [1.1.1.1]   
 
 
- 3  Anna Maria Brechtel [1.1.1]   
 
 
- 2  Anna Elisabetha Gelder [1.1]   
 
 
