1 Samuel 17:58

And Saul said to him, "Whose son are you, young man?" So David answered, "I am the son of your servant Jesse the Bethlehemite."

Surrounding context

17:57 Then, as David returned from the slaughter of the Philistine, Abner took him and brought him before Saul with the head of the Philistine in his hand.

17:58 And Saul said to him, "Whose son are you, young man?" So David answered, "I am the son of your servant Jesse the Bethlehemite."

Translation and sources