
( = Descendancy chart to this point,
 = Descendancy chart to this point,  = Expand,
 = Expand,  = Collapse)
 = Collapse)
 Willem Gerken
  Willem Gerken     b. 13 Sep 1745 d. 18 Jul 1814
 b. 13 Sep 1745 d. 18 Jul 1814
                     Marten Fieken  b. 21 Mar 1743 d. 26 Mar 1793
  Marten Fieken  b. 21 Mar 1743 d. 26 Mar 1793 b. 20 Jun 1784 d. 18 Jan 1839
 b. 20 Jun 1784 d. 18 Jan 1839
                                     Grietje Martens de Vust  b. 02 Feb 1786 d. 11 Sep 1861
  Grietje Martens de Vust  b. 02 Feb 1786 d. 11 Sep 1861 b. Nov 1812
 b. Nov 1812  
                                                 
   
                                                 b. 13 Sep 1816
 b. 13 Sep 1816  
                                                 b. 30 Sep 1819
 b. 30 Sep 1819  
                                                 b. 26 Feb 1822
 b. 26 Feb 1822  
                                                 b. 16 Jan 1825
 b. 16 Jan 1825  
                                                 b. 10 Nov 1827 d. 29 Aug 1874
[ =>]
 b. 10 Nov 1827 d. 29 Aug 1874
[ =>]