Albert Frederick, Duke of Prussia
Albert Frederick (German: Albrecht Friedrich; Polish: Albrecht Fryderyk; 7 May 1553 – 27 August 1618) was the Duke of Prussia, from 1568 until his death. He 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. Duke of PrussiaAlbert became Duke of Prussia after paying feudal homage to his cousin, the King of Poland, Sigismund Augustus, on 19 July 1569 in Lublin.[1] The homage was described by the Polish chronicler Jan Kochanowski in his work Proporzec ("Standard"). During the 1573 Polish election, Albert Frederick attempted to gain acceptance to the Polish senate but was opposed by the powerful Jan Zamoyski (later Grand Hetman of the Crown of the Kingdom of Poland) who feared the influence of Protestants in the Polish legislative body. Albert Frederick initially refused to recognize the election of Stefan Bathory and supported the candidacy of Maximilian of Austria. However, at the Toruń sejm of October 1576 he gave his support to the new monarch. As the great-grandson of the Polish king Casimir IV Jagiellon, and as a Duke in Prussia who was fluent in Polish, Albert Frederick was seriously considered for a time as a possible candidate for the Polish throne. He particularly enjoyed the support of Polish Lutherans. In 1572 he began to exhibit signs of mental disorder. He had twice tried to commit suicide and was prone to violent outbursts and held a great fear of " Turks and Muscovites " overrunning Germany. In early 1578, the regency was taken over by his cousin, George Frederick of Brandenburg-Kulmbach (1539–1603). After George Frederick's death in 1603, the Polish king Sigismund III Vasa appointed Joachim Frederick as regent in 1605, and permitted his son, John Sigismund, to succeed him in 1611. The latter became Duke of Prussia after Albert Frederick's death in 1618.[2] MarriageAlbert Frederick was married in 1573 to Marie Eleonore of Cleves, a daughter of Wilhelm, Duke of Jülich-Cleves-Berg and Archduchess Maria of Austria (1531–1581). Maria was a daughter of Ferdinand I, Holy Roman Emperor and Anna of Bohemia and Hungary. IssueAlbert Frederick and Marie were parents to seven children:
At his death, the duchy passed to his son-in-law John Sigismund, Margrave of Brandenburg, combining the two territories under a single dynasty and forming Brandenburg-Prussia. Ancestors
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