Friedrich IV, Landgrave of Thuringia
Friedrich IV or Friedrich IV der Friedfertige was Landgrave of Thuringia (1406–1440).
Friedrich superseded Balthasar (1349–1406) and preceded Friedrich V der Sanftmütige (1440–1445).
See also[edit]
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Friedrich IV or Friedrich IV der Friedfertige was Landgrave of Thuringia (1406–1440).
Friedrich superseded Balthasar (1349–1406) and preceded Friedrich V der Sanftmütige (1440–1445).
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