Saxe-Merseburg

Duchy of Saxe-Merseburg
Herzogtum Sachsen-Merseburg (German)
1657–1738
Coat of arms of Saxe-Merseburg
Coat of arms
Merseburg of 1650
Merseburg of 1650
StatusState of the Holy Roman Empire
Secundogeniture of Saxony
CapitalMerseburg
GovernmentDuchy
Duke 
• 1657–1691
Christian I
• 1691–1694
Christian II
• 1694
Christian III Maurice
• 1604–1731
Maurice Wilhelm
• 1731–1738
Heinrich
Historical eraEarly modern Europe
• Death of Elector John George I
1656
• Split off from Saxony
1657
• Fell back to Saxony
1738
Preceded by
Succeeded by
Electorate of Saxony
Electorate of Saxony
Today part ofGermany

The Duchy of Saxe-Merseburg was a duchy of the Holy Roman Empire, with Merseburg as its capital. It existed from 1656 or 1657 to 1738 and was owned by an Albertine secundogeniture of the Saxon House of Wettin.