Johannes Christoffel PRETORIUS married Aletha Jacomina HARTMAN 1926–2015 Ronell Marleen PRETORIUS Carin Elize PRETORIUS Children of Johannes Christoffel PRETORIUS and Aletha Jacomina HARTMAN Ronell Marleen PRETORIUS married to Arthur Michael CHAPMAN Carin Elize PRETORIUS married to Jacob VAN DER WALT