 | Frederick Schenk van Dyk (1847-1913) 
|
 | Maria Elizabeth Olifina Vlok (1857-1903)
|
| Amelia Maria Edith van Dyk (1875-1879) |
| Helena Cornelia van Dyk (1876-1932)  |
| Frederick Charles Nicolas van Dyk (1878- ) |
| Muriël van Dyk (1882-1945) |
| Irene van Dyk (1883-1945) |
| Francis Olive van Dyk (1885-1968) |
| Nicko Gerhardt van Dyk (1886-1897) |
| Hylda Maria Amelia van Dyk (1888- ) |
| Martin Edward Jacques van Dyk (1889-1928) |
| Edwin Albert van Dyk (1892- ) |
| Alice van Dyk (1893-1957) |
| Heinrich Adolf Koch (1887- ) |
| Gladys Frieda van Dyk (1890-1930)
|
| Meta Mathilda Koch (1918-2003) |
