'Beelzeboul' in the Bible

and certain of them said, 'By Beelzeboul, ruler of the demons, he doth cast forth the demons;'

and if also the Adversary against himself was divided, how shall his kingdom be made to stand? for ye say, by Beelzeboul is my casting forth the demons.

But if I by Beelzeboul cast forth the demons -- your sons, by whom do they cast forth? because of this your judges they shall be;