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| | Albert III of Brandenburg Biography |
 | | Albert III (in German Albrecht Achilles), (1414-1486), Margrave of Brandenburg, given the cognomen Achilles because of his knightly qualities, was the third son of Frederick I of Brandenburg of Hohenzollern, elector of Brandenburg, later Burgrave of Nuremberg, and was born at Tangermunde on the 9th of November 1414. |
 | | In 1457 he arranged a marriage between his eldest son John, and Margaret, daughter of William III, landgrave of Thuringia, who inherited the claims upon Hungary and Bohemia of her mother, a granddaughter of the emperor Sigismund. |
 | | Under these circumstances Albert returned to Brandenburg in 1478, compelled the Pomeranians to recognize his supremacy, and, after a stubborn struggle, secured a part of Duke Henry's lands for his daughter in 1482. |
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