Read Luke 11:19 Using Other Translations
And if I by Beelzebub cast out devils, by whom do your sons cast them out? therefore shall they be your judges.
And if I cast out demons by Beelzebul, by whom do your sons cast them out? Therefore they will be your judges.
And if I am empowered by Satan, what about your own exorcists? They cast out demons, too, so they will condemn you for what you have said.