 At that stage, an untold number of Cumans in Hungary were converts to Islam.In 1238, King Béla IV specifically invited Cumans under Kuthen (Kötöny, Kotyan) to colonize a central part of his realm ("ad mediculum terre sue"), presumably located near the Tisza.These Cumans arrived in 1239, but there was violence between the nomadic Cumans and the settled Hungarians.