Johann Gottfried Theodor Koch – Kölner Adreß-Buch 1846
| Given name | Johann Gottfried Theodor |
|---|---|
| Family name | Koch |
| Occupation | Oekonomie-Inspektor u. Rendant u. des Arresthauses |
| Address | Am Klingelpütz 23 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adreß-Buch 1846 |
| page | 249 |
| Year | 1846 |