Friedrich Franz Janzen – Rostocker Adressbuch 1924
| Given name | Friedrich Franz |
|---|---|
| Family name | Janzen |
| Occupation | Versorgungsanwärter |
| Address | Helenenstr. 8 |
| Place | Rostock |
| GOV identifier | ROSOCKJO64BC |
| Book | Rostocker Adressbuch 1924 |
| page | 138 |
| Year | 1924 |
| Given name | Friedrich Franz |
|---|---|
| Family name | Janzen |
| Occupation | Versorgungsanwärter |
| Address | Helenenstr. 8 |
| Place | Rostock |
| GOV identifier | ROSOCKJO64BC |
| Book | Rostocker Adressbuch 1924 |
| page | 138 |
| Year | 1924 |