Mark 3:30 (BSB)

Jesus made this statement because they were saying, “He has an unclean spirit.”

From Mark 3. Also in the ESV.

Commentary on Mark 3:30

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Mark 3:22-30: I. Here is, The impudent impious brand which the scribes fastened upon Christ's casting out devils, that they might evade and invalidate the conviction of it, and have a poor excuse for not yielding to it. These scribes came down from Jerusalem, Mar 3:22.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Mark 3:30: And he answered them,.... The multitude that sat about him, and informed him of his mother and brethren being without, and desirous of speaking with him: saying, who is my mother, or my brethren? which is said not through ignorance or contempt, but either, as displeased with the interruption given him; or with a view to take an opportunity from hence of expressing his superior...
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Mark 3:30: Because they said, He hath an unclean spirit. (p) These are the words of the evangelist.