Otto Mertens – Aachener Adressbuch 1936
| Given name | Otto |
|---|---|
| Family name | Mertens |
| Occupation | Kaufm. |
| Address | Viktoriastr. 83 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 244 |
| Year | 1936 |
| Given name | Otto |
|---|---|
| Family name | Mertens |
| Occupation | Kaufm. |
| Address | Viktoriastr. 83 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 244 |
| Year | 1936 |