Marthinus Stephanus PRETORIUS married Maria Dorothy Elizabeth VAN DER MERWE Yvonne PRETORIUS Leon PRETORIUS Gerhardt PRETORIUS Anton PRETORIUS Martin PRETORIUS Karen PRETORIUS Quintin PRETORIUS Children of Marthinus Stephanus PRETORIUS and Maria Dorothy Elizabeth VAN DER MERWE Yvonne PRETORIUS Leon PRETORIUS Gerhardt PRETORIUS Anton PRETORIUS Martin PRETORIUS Karen PRETORIUS Quintin PRETORIUS