 1901 - 1980  (79 years)
 1901 - 1980  (79 years)( = Descendancy chart to this point,
 = Descendancy chart to this point,  = Expand,
 = Expand,  = Collapse)
 = Collapse)
 Helena Petronella Hoekendijk  b. 22 Nov 1899 d. 20 Jan 1987
  Helena Petronella Hoekendijk  b. 22 Nov 1899 d. 20 Jan 1987 b. 20 Oct 1934 d. 27 Dec 1999
 b. 20 Oct 1934 d. 27 Dec 1999
                     Jenny Martherus  b. 30 Apr 1928 d. 2 Dec 219
  Jenny Martherus  b. 30 Apr 1928 d. 2 Dec 219 
 
                                     Marie-Pauline Valk
  Marie-Pauline Valk     
   
                                                 
 
                                    
                                 
 
                                    
                                 
 
                                     Rhea Hazenberg
  Rhea Hazenberg     
   
                                                