J. J. Mertens – Adressbuch Berlin 1820
| Given name | J. J. |
|---|---|
| Family name | Mertens |
| Occupation | Schneider |
| Address | Scharrnstraße 13 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 281 |
| Year | 1820 |
| Given name | J. J. |
|---|---|
| Family name | Mertens |
| Occupation | Schneider |
| Address | Scharrnstraße 13 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 281 |
| Year | 1820 |