Biography
Johann Ernst von Sachsen-Eisenach, Herzog von Sachsen-Eisenach, Herzog von Sachsen-Coburg, was born 9 July 1566 in Gotha, Thuringia, Germany to Johann Friedrich II. von Sachsen (1529-1595) and Elisabeth von der Pfalz (1540-1594) and died 23 October 1638 Eisenach, Thuringia, Germany of unspecified causes. He married Elisabeth von Mansfeld zu Hinter-Ort (1565-1596) 23 November 1591 in Wiener Neustadt, Austria. He married Christine von Hessen-Kassel (1578-1658) 14 May 1598 in Rotenburg an der Fulda, Hesse, Germany.
With the death of Johann Ernst ended the older line of Saxe-Coburg-Eisenach. His principality was divided (under the rules of the Ernestine line) between Saxe-Weimar and Saxe-Altenburg.
Children
| Name | Birth | Death | Joined with |
| Johann Friedrich von Sachsen-Eisenach (1596-1596) | |||
Footnotes (including sources)
| ‡ General |
|