Willem Lodewicus PRETORIUS 1869–1901

Bertha Sophia Hendrietta STEFFENS

Roedolph Cornelis PRETORIUS 1873–

Heila Magdalena Elizabeth Cathrina PRETORIUS 1877–1931

Carel Frederik PRETORIUS 1898–1977

Heila Magdalena Elizabeth Catharina PRETORIUS 1903–1982

Bertha Sophia Henriette PRETORIUS

married

Frederik Carel HEFER