Cross reference
1 Samuel 17:55
55 When Saul saw David go forth against the Philistine, he said to Abner, the captain of the host, Abner, whose son is this youth? Abner said, As your soul lives, O king, I can't tell.
1 Samuel 16:21-22
21 David came to Saul, and stood before him: and he loved him greatly; and he became his armor bearer.
22 Saul sent to Jesse, saying, Please let David stand before me; for he has found favor in my sight.
1 Samuel 17:58
58 Saul said to him, Whose son are you, you young man? David answered, I am the son of your servant Jesse the Bethlehemite.