'Son of David' in the Bible

which was the son of Melea: which was the son of Menna: which was the son of Mattatha: which was the son of Nathan: which was the son of David:

And he cried, saying, "Jesus the son of David, have thou mercy on me."

And they which went before rebuked him, that he should hold his peace. But he much the more so cried, "Thou son of David, have mercy on me."