- Born in 1867 in Darmstadt, Ukraine
- Died
- Sosa 1
Marriage and child
- Married to Maria Wetzel 1871-, daughter of Jakob Wetzel 1844-1872 and Christina Müller , with child
:
- Rosalie 1903
Individual note
EWZ Index for Miscellaneous Films 207 (MHSBC) Koch, Johannes 1867 Darmstadt A3342-EWZ50-B002 2520 Koch, Maria 1871 Ludwigstal, Geb. Saporoshje A3342-EWZ50-B002 2520 geb. Wetzel