Catharina Elizabeth OLCKERS married Hendrik Stephanus PRETORIUS 1907–1955 Gertruida Susanna Magdalena PRETORIUS Jan Antonie PRETORIUS Martha Magdalena PRETORIUS Elsa PRETORIUS Children of Catharina Elizabeth OLCKERS and Hendrik Stephanus PRETORIUS Gertruida Susanna Magdalena PRETORIUS Jan Antonie PRETORIUS married to Anna Johanna GRIEBENOUW Martha Magdalena PRETORIUS married to Allisan Alfred WILSON Elsa PRETORIUS married to Andre Izak BLOM