Johanna Maria VAN WYK married Petrus Christoffel PRETORIUS 1940–1996 Amanda Jacoba PRETORIUS Petrus Christoffel PRETORIUS Nadine Catherina PRETORIUS Children of Johanna Maria VAN WYK and Petrus Christoffel PRETORIUS Amanda Jacoba PRETORIUS Petrus Christoffel PRETORIUS married to Hester Cornelia NIGHTINGALE Nadine Catherina PRETORIUS