Johann Baptist Eugen Knaff – Adreßbuch der Stadt Eschweiler 1894
| Given name | Johann Baptist Eugen |
|---|---|
| Family name | Knaff |
| Occupation | Kaufmann |
| Address | Stich 13 |
| Place | Eschweiler |
| GOV identifier | ESCLERJO31BA |
| Book | Adreßbuch der Stadt Eschweiler 1894 |
| page | 31 |
| Year | 1894 |