'Son of David' in the Bible

And having heard that it is Jesus the Nazarite, he began to cry, and to say, Son of David, O Jesus, compasaionate me.

And many were rebuking him, that he should be silent: and he cried much more, Son of David, compassionate me.

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