New Revised Standard Version
But when the Pharisees heard it, they said, “It is only by Beelzebul, the ruler of the demons, that this fellow casts out the demons.”

Contemporary English Version
When the Pharisees heard this, they said, "He forces out demons by the power of Beelzebul, the ruler of the demons!"

New American Bible
But when the Pharisees heard this, they said, “This man drives out demons only by the power of Beelzebul, the prince of demons.”

Douay-Rheims Bible
But the Pharisees hearing it, said: This man casteth not out devils but by Beelzebub the prince of the devils.

But the Pharisees hearing it, said: This man casteth not out devils but by Beelzebub the prince of the devils.

when.

Matthew 9:34 But the Pharisees said, By the prince of devils he casteth out devils.

Mark 3:22 And the scribes who were come down from Jerusalem, said: He hath Beelzebub, and by the prince of devils he casteth out devils.

Luke 11:15 But some of them said: He casteth out devils by Beelzebub, the prince of devils.

Beelzebub.

Matthew 12:27 And if I by Beelzebub cast out devils, by whom do your children cast them out? Therefore they shall be your judges.