Hermann I, Landgrave of Thuringia

Hermann I, Landgrave of Thuringia

Landgrave of Thuringia and Count Palatine of Saxony (died 1217)

Hermann I, Landgrave of Thuringia and Count Palatine of Saxony, called the Hard, was the second son of Louis II, Landgrave of Thuringia, and Judith of Hohenstaufen, the sister of Emperor Frederick Barbarossa.