+--Derk Verstegen 
+--Jan Verstegen  (1818-)
|  +--Christina Koster 
Christiaan Verstegen  (20 Aug 1857-28 Oct 1941)
|     +--Johannes Wennekes 
|  +--Lambertus Wennekes  (-24 Jun 1862)
|  |  +--Derkje Lamers 
+--Hendrika Wennekes  (1829-18 May 1899)
   |  +--Adrianus Jansen 
   +--Catharina Jansen  (-4 Feb 1867)
      +--Johanna van Aalten