 | John George van Dyk (1845-1888) 
|
 | Maria Theresa Knobel (1844-1892)
|
| Joseph Louis van Dyk (1868-1926) |
| Erwin August Knobel van Dyk (1872-1887) |
| Maria Theresa Eleonora van Dyk (1873-1955)  |
| Helena Caroline van Dyk (1875- ) |
| Henriëtta van Dyk (1878- ) |
| John George van Dyk (1870- )
|
| Maria Elizabeth Kruger (1872- ) |
| Jacob Kruger van Dyk (1894- ) |
| Arthur John van Dyk (1894-1957) |
