We have
Leviticus 24:16
And he that blasphemeth the name of the LORD, he shall surely be put to death, and all the congregation shall certainly stone him: as well the stranger, as he that is born in the land, when he blasphemeth the name of the LORD, shall be put to death.
Deuteronomy 18:20
But the prophet, which shall presume to speak a word in my name, which I have not commanded him to speak, or that shall speak in the name of other gods, even that prophet shall die.
because
John 5:18
Therefore the Jews sought the more to kill him, because he not only had broken the sabbath, but said also that God was his Father, making himself equal with God.
John 8:58
Jesus said unto them, Verily, verily, I say unto you, Before Abraham was, I am.
John 8:59
Then took they up stones to cast at him: but Jesus hid himself, and went out of the temple, going through the midst of them, and so passed by.
John 10:30-33
30
I and my Father are one.
31
Then the Jews took up stones again to stone him.
32
Jesus answered them, Many good works have I shewed you from my Father; for which of those works do ye stone me?
33
The Jews answered him, saying, For a good work we stone thee not; but for blasphemy; and because that thou, being a man, makest thyself God.
John 10:36-38
36
Say ye of him, whom the Father hath sanctified, and sent into the world, Thou blasphemest; because I said, I am the Son of God?
37
If I do not the works of my Father, believe me not.
38
But if I do, though ye believe not me, believe the works: that ye may know, and believe, that the Father is in me, and I in him.
Matthew 26:63-66
63
But Jesus held his peace. And the high priest answered and said unto him, I adjure thee by the living God, that thou tell us whether thou be the Christ, the Son of God.
64
Jesus saith unto him, Thou hast said: nevertheless I say unto you, Hereafter shall ye see the Son of man sitting on the right hand of power, and coming in the clouds of heaven.
65
Then the high priest rent his clothes, saying, He hath spoken blasphemy; what further need have we of witnesses? behold, now ye have heard his blasphemy.
66
What think ye? They answered and said, He is guilty of death.
Matthew 27:42
He saved others; himself he cannot save. If he be the King of Israel, let him now come down from the cross, and we will believe him.
Matthew 27:43
He trusted in God; let him deliver him now, if he will have him: for he said, I am the Son of God.
Mark 14:61-64
61
But he held his peace, and answered nothing. Again the high priest asked him, and said unto him, Art thou the Christ, the Son of the Blessed?
62
And Jesus said, I am: and ye shall see the Son of man sitting on the right hand of power, and coming in the clouds of heaven.
63
Then the high priest rent his clothes, and saith, What need we any further witnesses?
64
Ye have heard the blasphemy: what think ye? And they all condemned him to be guilty of death.
Mark 15:39
And when the centurion, which stood over against him, saw that he so cried out, and gave up the ghost, he said, Truly this man was the Son of God.
Romans 1:4
And declared to be the Son of God with power, according to the spirit of holiness, by the resurrection from the dead: