2 Samuel 9:2-3

Now there was a servant of the house of Saul whose name was Ziba, and they called him to David; and the king said to him, “Are you Ziba?” And he said, “I am your servant.” 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.”