Johann Iwan David Herstatt – Kölner Adress-Buch 1844
| Given name | Johann Iwan David |
|---|---|
| Family name | Herstatt |
| Occupation | Banquier |
| Address | Sachsenhausen 8 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 181 |
| Year | 1844 |
| Given name | Johann Iwan David |
|---|---|
| Family name | Herstatt |
| Occupation | Banquier |
| Address | Sachsenhausen 8 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 181 |
| Year | 1844 |