John Frederick I
PersonElector of Saxony and Head of the Protestant Confederation of Germany (1503-1554)
John Frederick I was the Prince-Elector and Arch-Marshal of the Holy Roman Empire (1532–1547) from the Ernestine branch of the Saxon ruling House of Wettin, who initially governed over the Ernestine Electorate of Saxony, centred on Saxe-Wittenberg, until he was deprived of his electoral titles and most domains by the Capitulation of Wittenberg (1547). He was left with the Saxon ducal title, and Ernestine possessions in Thuringia. Previously, he was leading the Schmalkaldic League, a military alliance of Lutheran principalities.
| Born | 1503-06-30 |
| Died | 1554-03-03 |
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Data sourced from Wikidata (Q506182)