Johann Frohn – Aachener Adressbuch 1926
| Given name | Johann |
|---|---|
| Family name | Frohn |
| Occupation | Mechaniker |
| Address | Ottostr. 23 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 101 |
| Year | 1926 |
| Given name | Johann |
|---|---|
| Family name | Frohn |
| Occupation | Mechaniker |
| Address | Ottostr. 23 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 101 |
| Year | 1926 |