Otto Koch – Adressbuch Solingen 1931
| Given name | Otto |
|---|---|
| Family name | Koch |
| Occupation | Schleifer |
| Address | Siebels 19 |
| Place | Ohligs |
| GOV identifier | OHLIGSJO31MD |
| Book | Adressbuch Solingen 1931 |
| page | 107 |
| Year | 1931 |
| Given name | Otto |
|---|---|
| Family name | Koch |
| Occupation | Schleifer |
| Address | Siebels 19 |
| Place | Ohligs |
| GOV identifier | OHLIGSJO31MD |
| Book | Adressbuch Solingen 1931 |
| page | 107 |
| Year | 1931 |