question: What nationality is Barbara Of Brandenburg, Duchess Of Brieg's father?
context: [["Magdalene of Brandenburg (1412\u20131454)", ["Magdalene of Brandenburg( born:; died: 27 October 1454 in Scharnebeck) was a princess of Brandenburg by birth and by marriage Duchess of Brunswick- L\u00fcneburg."]], ["Joachim II Hector, Elector of Brandenburg", ["Joachim II (or \"Hektor\"; 13 January 1505 \u2013 3 January 1571) was a Prince-elector of the Margraviate of Brandenburg (1535\u20131571), the sixth member of the House of Hohenzollern.", "Joachim II was the eldest son of Joachim I Nestor, Elector of Brandenburg and his wife Elizabeth of Denmark, Norway, and Sweden.", "He received the cognomen Hector after the Trojan prince and warrior for his qualities and prowess."]], ["Barbara of Brandenburg (1464\u20131515)", ["Barbara of Brandenburg( 30 May 1464 \u2013 4 September 1515), a member of the German House of Hohenzollern, was by birth Margravine of Brandenburg, and by her two marriages, Duchess of G\u0142og\u00f3w from 1472 to 1476, and Queen of Bohemia from 1476 to 1490/1500."]], ["Cecilia of Brandenburg", ["Cecilia of Brandenburg( \u2013 4 January 1449) was a princess of Brandenburg by birth and by marriage a Duchess of Brunswick- Wolfenb\u00fcttel."]], ["Barbara of Brandenburg, Duchess of Brieg", ["Barbara of Brandenburg (10 August 1527 \u2013 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."]], ["Sibylle of Brandenburg", ["Sibylle of Brandenburg( 31 May 1467 in Ansbach \u2013 9 July 1524 in Kaster) was a Princess of Brandenburg by birth and by marriage Duchess of J\u00fclich and Duchess of Berg."]], ["Margaret of Brandenburg (1450\u20131489)", ["Margaret of Brandenburg( 1449 or 1450 \u2013 1489) was a princess of Brandenburg by birth and by marriage Duchess of Pomerania."]], ["Elisabeth of Brandenburg, Duchess of Pomerania", ["Elizabeth of Brandenburg( 1425 \u2013 after 13 January 1465) was a princess of Brandenburg by birth and marriage Duchess of Pomerania."]], ["Barbara of Brandenburg-Ansbach-Kulmbach", ["Barbara of Brandenburg- Ansbach- Kulmbach( 24 September 1495 in Ansbach \u2013 23 September 1552 in Karlovy Vary) was a princess of Brandenburg- Ansbach by birth and marriage Landgravine of Leuchtenberg."]], ["Dorothea of Brandenburg, Duchess of Saxe-Lauenburg", ["Dorothea of Brandenburg( 1446 \u2013 March 1519) was a princess of Brandenburg by birth and by marriage Duchess of Saxe- Lauenburg."]]]
supporting_facts: [["Barbara of Brandenburg, Duchess of Brieg", 2], ["Joachim II Hector, Elector of Brandenburg", 0]]
evidences: [["Barbara of Brandenburg, Duchess of Brieg", "father", "Joachim II Hector, Elector of Brandenburg"], ["Joachim II Hector, Elector of Brandenburg", "country of citizenship", "Margraviate of Brandenburg"]]
answer: Margraviate of Brandenburg