| Johann Christian Otto Koch |
| Johann Christian Otto Koch | |
| B: | 16 Dec 1865 |
| Rägelin, Temnitzquell, Brandenburg, Germany | |
| D: | Bef 2001 |
| Martha Johanna Auguste Rosendräger |
| Martha Johanna Auguste Rosendräger | |
| B: | 12 Sep 1867 |
| Langen, Fehrbellin, Brandenburg, Germany | |
| M: | 12 Jul 1891 |
| Treskow, Neuruppin, Brandenburg, Germany | |
| D: | 4 Nov 1950 |
| Langen, Fehrbellin, Brandenburg, Germany | |