Barbara of Brandenburg, Duchess of Brieg
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Barbara of Brandenburg (10 August 1527 – Brzeg, 2 January 1595), was a German princess member of the House of Hohenzollern She was a Margravine of Brandenburg by birth and by marriage a Duchess of Brieg (Brzeg).
She was the second child but eldest daughter of Joachim II Hector, Elector of Brandenburg, by his first wife Magdalena, daughter of George, Duke of Saxony.