+--Jan Derks  (-BEF 8 Feb 1694)
         +--Derk Jans  (-BEF 18 Apr 1709)
      +--Hendrik Dirks Canits  (-BEF 20 May 1728)
   +--Klaas Hendrik Cants (Kanis) 
   |  +--Albertje Willems 
+--Hendrik Klaaszen (Claassen) Canis  (-26 Nov 1825)
|  +--Aaltje Jans 
Egbert Hendriks  (3 Mar 1795-)
|  +--Egbert Klasen Ketelboer  (-BEF 1826)
+--Jantien Egberts Ketelboer  (-1796)
   +--Annigje Roelofs  (-BEF 1826)