John 19:7

"But we," replied the Jews, "have a Law, under which he deserves death for making himself out to be the Son of God."

John 5:18

This made the Jews all the more eager to kill him, because not only was he doing away with the Sabbath, but he actually called God his own Father--putting himself on an equality with God.

Matthew 26:63-66

But Jesus remained silent. On this the High Priest said to him: "I adjure you, by the Living God, to tell us whether you are the Christ, the Son of God."

Romans 1:4

But, as to the spirit of holiness within him, was miraculously designated Son of God by his resurrection from the dead.

Matthew 27:42-43

"He saved others, but he cannot save himself! He is the 'King of Israel'! Let him come down from the cross now, and we will believe in him.

Mark 14:61-64

But Jesus remained silent, and made no answer. A second time the High Priest questioned him. "Are you," he asked, "the Christ, the Son of the Blessed One?"

Mark 15:39

The Roman Officer, who was standing facing Jesus, on seeing the way in which he expired, exclaimed: "This man must indeed have been 'God's Son'!"

John 8:58-59

"In truth I tell you," replied Jesus, "before Abraham existed I was."

John 10:30-33

The Father and I are one."

John 10:36-38

Do you say of one whom the Father has consecrated and sent as his Messenger to the world 'You are blaspheming,' because I said 'I am God's Son'?

Treasury of Scripture Knowledge

Summary

The Jews answered him, We have a law, and by our law he ought to die, because he made himself the Son of God.

General references

Bible References

Because

John 5:18
This made the Jews all the more eager to kill him, because not only was he doing away with the Sabbath, but he actually called God his own Father--putting himself on an equality with God.
John 8:58
"In truth I tell you," replied Jesus, "before Abraham existed I was."
John 10:30
The Father and I are one."
Matthew 26:63
But Jesus remained silent. On this the High Priest said to him: "I adjure you, by the Living God, to tell us whether you are the Christ, the Son of God."
Matthew 27:42
"He saved others, but he cannot save himself! He is the 'King of Israel'! Let him come down from the cross now, and we will believe in him.
Mark 14:61
But Jesus remained silent, and made no answer. A second time the High Priest questioned him. "Are you," he asked, "the Christ, the Son of the Blessed One?"
Mark 15:39
The Roman Officer, who was standing facing Jesus, on seeing the way in which he expired, exclaimed: "This man must indeed have been 'God's Son'!"
Romans 1:4
But, as to the spirit of holiness within him, was miraculously designated Son of God by his resurrection from the dead.

General references

Mark 14:64
"You heard his blasphemy? What is your verdict?" They all condemned him, declaring that he deserved death.