D. D. Thönnis – Adressbuch Helgoland 1844
| Given name | D. D. |
|---|---|
| Family name | Thönnis |
| Occupation | Lootsen-Officier |
| Address | Milchtwiete 3 |
| Place | Helgoland |
| GOV identifier | HELANDJO34WE |
| Book | Adressbuch Helgoland 1844 |
| page | 33 |
| Year | 1844 |
| Given name | D. D. |
|---|---|
| Family name | Thönnis |
| Occupation | Lootsen-Officier |
| Address | Milchtwiete 3 |
| Place | Helgoland |
| GOV identifier | HELANDJO34WE |
| Book | Adressbuch Helgoland 1844 |
| page | 33 |
| Year | 1844 |