Johannes Hecker – Kölner Adress-Buch 1844
| Given name | Johannes |
|---|---|
| Family name | Hecker |
| Occupation | Schneider |
| Address | Apostelnstr. 44 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 178 |
| Year | 1844 |
| Given name | Johannes |
|---|---|
| Family name | Hecker |
| Occupation | Schneider |
| Address | Apostelnstr. 44 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 178 |
| Year | 1844 |