KJV: And the king said, Is there not yet any of the house of Saul, that I may shew the kindness of God unto him? And Ziba said unto the king, Jonathan hath yet a son, which is lame on his feet.
NASB: The king said, "Is there not yet anyone of the house of Saul to whom I may show the kindness of God?" And Ziba said to the king, "There is still a son of Jonathan who is crippled in both feet."
KJV: Now when Mephibosheth, the son of Jonathan, the son of Saul, was come unto David, he fell on his face, and did reverence. And David said, Mephibosheth. And he answered, Behold thy servant!
NASB: Mephibosheth, the son of Jonathan the son of Saul, came to David and fell on his face and prostrated himself. And David said, "Mephibosheth." And he said, "Here is your servant!"