Friedrich Wilhelm Mermagen – Kölner Adress-Buch 1844
| Given name | Friedrich Wilhelm |
|---|---|
| Family name | Mermagen |
| Occupation | Mechanicus u. Spezereihandel |
| Address | Comödienstr. 15 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 217 |
| Year | 1844 |