Saxe-Zeitz
The Duchy of Saxe-Zeitz () was a territory of the Holy Roman Empire established in 1656–57 as a secundogeniture of the Electoral Saxon house of House of Wettin. Its capital was Zeitz. The territory fell back to the Wettin electoral line in 1718. History. On 20 July 1652, the Saxon elector John George I stipulated in his will that, while the electoral dignity passes to his eldest son John George II, his three younger brothers should receive secundogeniture principalities upon his death. After the elector died on 8 October 1656, his sons concluded the "friend-brotherly main treaty