Johann Baptist Mertz – Kölner Adreß-Buch 1846
| Given name | Johann Baptist |
|---|---|
| Family name | Mertz |
| Occupation | Maurermeister |
| Address | Gereonstr. 26 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adreß-Buch 1846 |
| page | |
| Year | 1846 |
| Given name | Johann Baptist |
|---|---|
| Family name | Mertz |
| Occupation | Maurermeister |
| Address | Gereonstr. 26 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adreß-Buch 1846 |
| page | |
| Year | 1846 |