Johann Heinrich KochAge: 65 years1845–1910
- Name
- Johann Heinrich Koch
| Birth | 1845 |
| Birth of a son #1 | Edurard Heinrich Koch 1870 (Age 25 years) |
| Death | 1910 (Age 65 years) |
| Family with Margaretha Hahn |
| himself |
Johann Heinrich Koch Birth: 1845 Death: 1910 |
| wife |
Margaretha Hahn Birth: 1850 31 33 Death: 1926 |
| son |
Edurard Heinrich Koch Birth: 1870 25 20 Death: 1928 |