Magrietha Elizabeth VAN NIEKERK married Sarel Johannes PRETORIUS 1905–1954 Schalk Lodewyk PRETORIUS Maria Susanna PRETORIUS Sarel Johannes PRETORIUS Children of Magrietha Elizabeth VAN NIEKERK and Sarel Johannes PRETORIUS Schalk Lodewyk PRETORIUS Maria Susanna PRETORIUS Sarel Johannes PRETORIUS