Family: Karl August Kreb / Magdalena Zwick (F141323)
 | Gregor Zwick (1883-1960) 
|
Margaretha Burkhart (1883-1962) |
Emil Zwick (1911-1989)  |
 | Robert Zwick (1913-1989) |
| Feldwebel Oskar Zwick (1914-1944) |
| Rudolf Zwick (1922-1987) |
| Karl August Kreb (1903-1986) |
| Magdalena Zwick (1906-1987)
|