 1750 - 1807  (57 years)
 1750 - 1807  (57 years)( = Descendancy chart to this point,
 = Descendancy chart to this point,  = Expand,
 = Expand,  = Collapse)
 = Collapse)
 Wupke Klaassen  b. 15 Jan 1765 d. 10 Jun 1829
  Wupke Klaassen  b. 15 Jan 1765 d. 10 Jun 1829 b. 10 Jun 1795 d. 04 May 1872
 b. 10 Jun 1795 d. 04 May 1872
                     Jelle Jan Ben Schuurmann  b. 20 Dec 1792 d. 02 Jun 1853
  Jelle Jan Ben Schuurmann  b. 20 Dec 1792 d. 02 Jun 1853 b. 17 Oct 1821 d. 1901
 b. 17 Oct 1821 d. 1901
                                     Janna Hilkeline Niehaus  b. 11 Jul 1826 d. 26 Oct 1861
  Janna Hilkeline Niehaus  b. 11 Jul 1826 d. 26 Oct 1861 b. 19 Mar 1850
 b. 19 Mar 1850  
                                                 b. 03 Jan 1853 d. 26 Mar 1933
[ =>]
 b. 03 Jan 1853 d. 26 Mar 1933
[ =>]                                                 b. 13 Mar 1857
 b. 13 Mar 1857  
                                                 b. 1 Dec 1859
 b. 1 Dec 1859  
                                                 Tielke Marten Klingenberg  b. 10 Nov 1827 d. 29 Aug 1874
  Tielke Marten Klingenberg  b. 10 Nov 1827 d. 29 Aug 1874 b. 22 Nov 1863
 b. 22 Nov 1863  
                                                 b. 18 Feb 1867 d. 12 Aug 1867
 b. 18 Feb 1867 d. 12 Aug 1867