Shmuel Alef 17:57-58

Orthodox Jewish Bible

⁵⁷ And as Dovid returned from the slaughter of the Pelishti, Avner took him, and brought him before Sha’ul with the rosh of the Pelishti in his yad.

⁵⁸ And Sha’ul said to him, Whose ben art thou, na’ar? And Dovid answered, I am the ben avdecha Yishai of Beit-Lechem.