Stone relief of Ludwig der Springer in the Wartburg Castle chapel in Eisenach.
"Louis the Springer (German: Ludwig der Springer), sometimes called Louis the Jumper or Louis the Leaper (died 8 May 1123), was a German nobleman and count in Thuringia from 1080 until his death. 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." -- Wikipedia