Cornelia Wilhelmina Johanna Aletta VAN GRAAN married Pieter Ernst Beyers PRETORIUS Anna Catharina Dorothea PRETORIUS David Jacobus PRETORIUS Children of Cornelia Wilhelmina Johanna Aletta VAN GRAAN and Pieter Ernst Beyers PRETORIUS Anna Catharina Dorothea PRETORIUS David Jacobus PRETORIUS