| | Willem Pieter Jacobus van Heerden 1925–1997 Rachel Mercia Smith 1926–… | | | | Stephanus Cornelius van Heerden 1892–1961 Elizabeth Jacoba Pretorius 1898–1939 Maria Dorothea Sophia Elizabeth Grobler 1917–1973 | | | | Isak Johannes van Heerden …–… Sophia Wilhelmina Fredrika Buys …–… |
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| | | Maria Andrina Sophia Venter 1899–1954 | | | | Emily Annie Steed 1867–1948 | | | | | George Frederick Steed 1839–1919 Sarah Ann Stocker 1838–1904 |
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| | | Jan Abraham Venter 1865–1932 Rachel Maria Coetzer 1867–… | | | | Jan Abraham Venter 1830–1894 Maria Hendrina Sophia Marais 1830–1876 | | |
| | | Johannes Frederik Coetzer …–… Anna Margaretha Joubert 1828–1892 | | |
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