+--Hendrik Rietbergen 
   +--Joannes Rietbergen  (-3 Nov 1861)
   |  +--Margarita Willemsen 
+--Hermanus Rietbergen  (23 Oct 1835-10 Feb 1879)
|  |  +--Hendrik Versteeg 
|  +--Maria Hendrica Gertruda Versteeg  (1808-14 May 1872)
|     +--Theodora Engelen 
Maria Petronella Rietbergen  (1877-12 Feb 1921)
|     +--Johann Hinrich Faass 
|  +--Johann Hinrich Christian Faass  (2 Apr 1793-12 Mar 1858)
|  |  +--Johanna Catharina Freesen 
+--Petronella Francisca Cecilia Faass  (Jun 1840-28 Mar 1924)
   |  +--Franciscus Worm 
   +--Maria Worm  (2 Aug 1803-20 Jun 1869)
      +--Antonia Ockers