Familie: Emma Rosa Dora Koch (F283)
Christian Ferdinand Koch (1880- ) 
|
 | Emma Rosa Förster (1878-1962)
|
Alfred Ferdinand Alban Koch (1900-1992)  |
| Christian Rudi Koch (1903- ) |
| Johanna Elly Koch (1905- ) |
| Frieda Marie Koch (1907- ) |
 | Emma Rosa Dora Koch (1902-1986)
|
| Jutta Koch (1930-1932) |