'King of Israel' in the Bible

He saved others, he cannot save himself. If he is the king of Israel, let him now come down from the cross, and we will believe in him.

Let the Christ, the king of Israel, come down now from the cross, that we may see and believe in him. And those who were crucified with him reviled him.

Nathanael answered, and says to him, Rabbi, thou are the Son of God. Thou are the king of Israel.

took the branches of the palm trees, and went forth to meet him, and cried out, Hosanna! Blessed is he who comes in the name of Lord, the King of Israel!