Familie: Jahns, Carl August / Koch, Karoline Wilhelmine Dorette (F18087)
 | Koch, Heinrich Christian Friedrich (1820-1869) 
|
Deike, Johanne Justine Wilhelmine (1833-1880) |
| Koch, Heinrich August (1863- ) |
| Jahns, Carl August (1850-1930) |
| Koch, Karoline Wilhelmine Dorette (1862-1910)
|
| Jahns, Karl Wilhelm Gustav (1884- ) |
Jahns, Johanne Minna Emma (1891-1973)  |