Career
He was the leader of the "Armleder" massacres against Jewish communities throughout the Alsace in 1336. Arnold became a wanted man in 1332 on the charge of highway robbery in the Wertheim territorium. He then commenced a wave of populist banditry and massacres against the Jewish population of the Alsace.
Arnold and 47 of his band were taken captive in 1336, and Arnold tried and sentenced to death by the Zentgericht court.