Louis the Springer

Louis the Springer (German: Ludwig der Springer), sometimes called Louis the Jumper or Louis the Leaper, was a German nobleman and count in Thuringia from the death of his father until his own death on 8 May 1123. Little is known about him, although he is mentioned in many legends. He was a prominent opponent of the Salian emperors Henry IV and Henry V during the Investiture Controversy.