Duchy of Saxe-Jena
|State of the Holy Roman Empire
• Partitioned from
• Ducal line extinct;
restored to Saxe-Weimar
Part of the Duchy of Saxe-Weimar was given to Bernhard, the fourth son of Wilhelm, Duke of Saxe-Weimar in 1672. The second duke had no male heirs to inherit the title, so the territory was taken back by Saxe-Weimar when the second duke died in 1690. .
Dukes of Saxe-Jena change
Reincorporated into Saxe-Weimar