Shemu’ĕl Aleph (1 Samuel) 17:55

And when Sha’ul saw Dawiḏ going out against the Philistine, he said to Aḇnĕr, the commander of the army, “Aḇnĕr, whose son is this youth?” And Aḇnĕr said, “As your being lives, O sovereign, I do not know.”