John George of Brandenburg was a prince-elector of the Margraviate of Brandenburg. Wikipedia
Born: September 11, 1525, Cölln, Germany
Died: January 8, 1598 (age 72 years), Cölln, Germany
Great-grandparents: John Cicero, Elector of Brandenburg, Casimir IV Jagiellon, Elizabeth of Austria, and more
Parents: Joachim II Hector and Magdalena of Saxony
Spouse: Elisabeth of Anhalt-Zerbst (m. 1577–1598), Sabina of Brandenburg-Ansbach (m. 1548–1575), and Sophie of Legnica (m. 1545–1546)