Johanna Gertruida M GREYVENSTEIN married Sarel Jacobus Johannes PRETORIUS 1911–1973 Sarel Jacobus Johannes PRETORIUS Fredrick Coenraad PRETORIUS Jan Hendrik Jacobus Greyvenstein PRETORIUS Johannes Gerhardus PRETORIUS Alida Jacoba PRETORIUS Children of Johanna Gertruida M GREYVENSTEIN and Sarel Jacobus Johannes PRETORIUS Sarel Jacobus Johannes PRETORIUS married to Emma Sophia ERASMUS Fredrick Coenraad PRETORIUS married to Magdalena GOOSEN Jan Hendrik Jacobus Greyvenstein PRETORIUS married to Nola Yvonne PAYN Johannes Gerhardus PRETORIUS Alida Jacoba PRETORIUS