In 1226, his father entrusted him with the government of Transylvania where he assisted the missionary work of the Blackfriars among the Cuman tribes who settled down in the territories west of the Dniester River.
His father entrusted him with the government of Transylvania. This was in 1226. He assisted the missionary work of the Blackfriars among the Cuman tribes. These Cuman tribes settled down in the territories west of the Dniester River.