Jacobus Francois PRETORIUS married Johanna Petronella VAN DER WALT 1923–2013 Lucy PRETORIUS Aletta Joubert PRETORIUS Johanna Petronella PRETORIUS Gertruida Catharina PRETORIUS Children of Jacobus Francois PRETORIUS and Johanna Petronella VAN DER WALT Lucy PRETORIUS Aletta Joubert PRETORIUS Johanna Petronella PRETORIUS Gertruida Catharina PRETORIUS