- Роден през 1867 [in (place)] Darmstadt, Ukraine
- Починал
Брак и дете
- Встъпва в брак с Maria Wetzel 1871-, дъщеря на Jakob Wetzel 1844-1872 и Christina Müller , c дете
:
- Rosalie 1903
[individual notes]
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