Willem Pieter Jacobus PRETORIUS married Cornelia Johanna DE BEER Jan Johannes PRETORIUS Hendrik de Beer PRETORIUS Willem Pieter Jacobus PRETORIUS Cornelius Johannes PRETORIUS Children of Willem Pieter Jacobus PRETORIUS and Cornelia Johanna DE BEER Jan Johannes PRETORIUS Hendrik de Beer PRETORIUS Willem Pieter Jacobus PRETORIUS Cornelius Johannes PRETORIUS