John Sigismund, Elector of Brandenburg (died 1619)

John Sigismund, Elector of Brandenburg

Elector of Brandenburg from 1608 to 1619

John Sigismund was a Prince-elector of the Margraviate of Brandenburg from the House of Hohenzollern. He became the Duke of Prussia through his marriage to Duchess Anna, the eldest daughter of Duke Albert Frederick of Prussia who died without sons. Their marriage resulted in the…