How?

Mark 3:11-14

11Whenever the impure spirits saw him, they fell down before him and cried out, “You are the Son of God.” 12But he gave them strict orders not to tell others about him.
Jesus Appoints the Twelve
13Jesus went up on a mountainside and called to him those he wanted, and they came to him. 14He appointed twelve that they might be with him and that he might send them out to preach

Mark 3:20-21

20Then Jesus entered a house, and again a crowd gathered, so that he and his disciples were not even able to eat. 21When his family heard about this, they went to take charge of him, for they said, “He is out of his mind.”

Mark 14:46

46The men seized Jesus and arrested him.

Mark 3:22-30

22And the teachers of the law who came down from Jerusalem said, “He is possessed by Beelzebul! By the prince of demons he is driving out demons.”
23So Jesus called them over to him and began to speak to them in parables: “How can Satan drive out Satan?24If a kingdom is divided against itself, that kingdom cannot stand.25If a house is divided against itself, that house cannot stand.26And if Satan opposes himself and is divided, he cannot stand; his end has come.27In fact, no one can enter a strong man’s house without first tying him up. Then he can plunder the strong man’s house.28Truly I tell you, people can be forgiven all their sins and every slander they utter,29but whoever blasphemes against the Holy Spirit will never be forgiven; they are guilty of an eternal sin.”
30He said this because they were saying, “He has an impure spirit.”

Matthew 12:27

27And if I drive out demons by Beelzebul, by whom do your people drive them out? So then, they will be your judges.

Mark 3:27

. . . no one can enter a strong man’s house without first tying him up. Then he can plunder the strong man’s house.

John 10:10

10The thief comes only to steal and kill and destroy; I have come that they may have life, and have it to the full.

Mark 3:28-29

28Truly I tell you, people can be forgiven all their sins and every slander they utter,29but whoever blasphemes against the Holy Spirit will never be forgiven; they are guilty of an eternal sin.”

Mark 3:31-35

31Then Jesus’ mother and brothers arrived. Standing outside, they sent someone in to call him. 32A crowd was sitting around him, and they told him, “Your mother and brothers are outside looking for you.”
33 “Who are my mother and my brothers?”he asked.
34Then he looked at those seated in a circle around him and said, “Here are my mother and my brothers!35Whoever does God’s will is my brother and sister and mother.”