 | Jan Andries van Dyk, Sr. (1854-1927) 
|
 | Mary Anne Devery, (mixed) (1866-1900)
|
| Abraham Joseph van Dyk (1885-1949)  |
| Jan Andries van Dyk, "European" (1887-1967) |
| Lilly Dorothea van Dyk (1891- ) |
| Bertha Sophia van Dyk (1893-1985) |
| Daniel Jacobus van Dyk (1895- ) |
| Isabella Johanna van Dyk (1898- ) |
| William Nicholas Tobias Fredericks (1892-1964) |
| Eliza Maria van Dyk (1889-1918)
|
| John William Fredericks (1912-1973) |
| Frank Timothi Fredericks (1914- ) |
| Arthur Leslie Fredericks (1916- ) |
