Familie: Alfred Harenberg / Louise Vennekohl (F324)
 | Heinrich Wilhelm Fritz Vennekohl (1872- ) 
|
Dorothee Rosemeyer (1880- ) |
| Frieda Luise Lina Cornelia Vennekohl (1903-1905) |
 | Heinrich Fritz Konrad Vennekohl (1905-1971)  |
 | Friedrich Vennekohl (1907-1981) |
 | Louise Vennekohl (1914-1994)
|
