Friedrich August Mertens – Kölner Adreß-Buch 1846
| Given name | Friedrich August |
|---|---|
| Family name | Mertens |
| Occupation | Schreiner |
| Address | Ulrichsgasse 31 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adreß-Buch 1846 |
| page | 276 |
| Year | 1846 |
| Given name | Friedrich August |
|---|---|
| Family name | Mertens |
| Occupation | Schreiner |
| Address | Ulrichsgasse 31 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adreß-Buch 1846 |
| page | 276 |
| Year | 1846 |