'Son of David' in the Bible

And when he heard that it was Jesus of Nazareth, he began to cry and to say, "Jesus, the son of David, have mercy on me."

And many rebuked him, that he should hold his peace. But he cried the more a great deal, "Thou son of David have mercy on me."

And Jesus answered, and said, teaching in the temple, "How say the scribes, that Christ is the son of David?