John George I, Elector of Saxony

John George I
John George I
	Portrait by Frans Luycx, 1652
Elector of Saxony
Reign	23 June 1611 – 8 October 1656
Predecessor	Christian II
Successor	John George II
Born	5 March 1585; Dresden, Electorate of Saxony, Holy Roman Empire
Died	8 October 1656 (aged 71); Dresden, Electorate of Saxony, Holy Roman Empire
Burial	Freiberg Cathedral
Spouse	; Sibylle Elisabeth of Württemberg (m. 1604; died 1606) ; Magdalene Sibylle of Prussia (m. 1607)
Issue; Detail	Sophie Eleonore, Landgravine of Hesse-Darmstadt; Marie Elisabeth, Duchess of Holstein-Gottorp; John George II, Elector of Saxony; Augustus, Duke of Saxe-Weissenfels; Christian I, Duke of Saxe-Merseburg; Magdalene Sibylle, Duchess of Saxe-Altenburg; Maurice, Duke of Saxe-Zeitz;
House	Wettin (Albertine Line)
Father	Christian I, Elector of Saxony
Mother	Sophie of Brandenburg
Religion	Lutheran

John George I, (Jan Georg I. in German; 5 March 1585 – 8 October 1656) was Elector of Saxony from 1611 to 1656. He led Saxony through the Thirty Years' War, which dominated his 45-year reign.