"Albert Frederick (German: Albrecht Friedrich; Polish: Albrecht Fryderyk; 7 May 1553 – 28 August 1618) was the Duke of Prussia, from 1568 until his death. He ...
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was a son of Albert of Prussia and Anna Marie of Brunswick-Lüneburg. He was the second and last Prussian duke of the Ansbach branch of the Hohenzollern family." - (en.wikipedia.org 29.10.2019)
