John Frederick I

John Frederick I,

1503–54, elector (1532–47) and duke (1547–54) of Saxony; last elector of the Ernestine branch of the house of WettinWettin
, German dynasty, which ruled in Saxony, Thuringia, Poland, Great Britain, Belgium, and Bulgaria. It takes its name from a castle on the Saale near Halle. The family gained prominence in the 10th cent.
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. Like his father, John the Steadfast, whom he succeeded, John Frederick was a devout Lutheran. A leader of the Schmalkaldic LeagueSchmalkaldic League
, alliance formed in 1531 at Schmalkalden by Protestant princes and delegates of free cities. It was created in response to the threat (1530) by Holy Roman Emperor Charles V to stamp out Lutheranism.
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, he vacillated in loyalty to Holy Roman Emperor Charles VCharles V,
1500–1558, Holy Roman emperor (1519–58) and, as Charles I, king of Spain (1516–56); son of Philip I and Joanna of Castile, grandson of Ferdinand II of Aragón, Isabella of Castile, Holy Roman Emperor Maximilian I, and Mary of Burgundy.
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, but he was thrown into opposition when Charles undertook the Schmalkaldic War to crush the independence of the imperial states in Germany and to restore Christian unity. Captured (1547) in the battle of Mühlberg, John Frederick was forced to renounce the electorate in favor of his cousin and enemy, MauriceMaurice,
1521–53, duke (1541–47) and elector (1547–53) of Saxony. A member of the Albertine branch of the ruling house of Saxony, he became duke of Albertine Saxony during the Protestant Reformation.
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, duke of Saxony. He retained only a remnant of his lands and the title of duke. He refused to abandon his religious beliefs during subsequent imprisonment (1547–52).
References in periodicals archive ?
Lauth development and construction firm announced that Florida real estate veteran John Frederick is joining the company as vice president of office and industrial development in the company's Orlando office.