Dorothea Arnold was born 5 September 1807 in Kirchheim am Neckar, Baden-Württemberg, Germany to Johann Konrad Arnold (bef1793-) and Christina Magdalena Hauk (bef1793-) and died 24 December 1859 Dungog, New South Wales, Australia of unspecified causes. She married Jeremias Seyffer (1821-1894) 19 August 1849 .
Children
| Name | Birth | Death | Joined with |
| Christiana Katharina Arnold (1829-1866) | 25 May 1829 Kirchheim am Neckar, Baden-Württemberg, Germany | 24 August 1866 Anleys Flat, Dungog, New South Wales, Australia | Andreas Rumbel (1818-1896) |
Footnotes (including sources)
| ‡ General |