Beelzebub therefore is interpreted, The man of flies, wherefore from this most unclean worship they called him the Prince of the dæmons. Having therefore nothing more mean to cast upon the Lord, they said that He cast out dæmons by Beelzebub.
Beelzebub is therefore viewed as The man of flies, leading them to refer to him as the Prince of demons in their filthy rituals. In a last-ditch effort, they accused the Lord of utilizing Beelzebub to expel demons.