 1743 - 1793  (50 years)
 1743 - 1793  (50 years)( = Descendancy chart to this point,
 = Descendancy chart to this point,  = Expand,
 = Expand,  = Collapse)
 = Collapse)
 Geertje Willems  b. 13 Sep 1745 d. 18 Jul 1814
  Geertje Willems  b. 13 Sep 1745 d. 18 Jul 1814 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
                                     Geerd Fokken Rademacher  b. Aug 1826 d. 21 Feb 1858
  Geerd Fokken Rademacher  b. Aug 1826 d. 21 Feb 1858 b. 24 Feb 1851 d. 27 May 1853
 b. 24 Feb 1851 d. 27 May 1853
                                                 b. 11 Aug 1853
 b. 11 Aug 1853  
                                                 b. 12 Sep 1855
 b. 12 Sep 1855  
                                                 b. 07 Oct 1857 d. 1926
[ =>]
 b. 07 Oct 1857 d. 1926
[ =>]                                                 Klaas Dirks Schuurmann  b. 17 Oct 1821 d. 1901
  Klaas Dirks Schuurmann  b. 17 Oct 1821 d. 1901 b. 22 Nov 1863
 b. 22 Nov 1863  
                                                 b. 18 Feb 1867 d. 12 Aug 1867
 b. 18 Feb 1867 d. 12 Aug 1867