American Standard Version
And when Saul saw David go forth against the Philistine, he said unto Abner, the captain of the host, Abner, whose son is this youth? And Abner said, As thy soul liveth, O king, I cannot tell.

Berean Study Bible
As Saul had watched David going out to confront the Philistine, he said to Abner the commander of the army, “Abner, whose son is this young man?” “As surely as you live, O king,” Abner replied, “I do not know.”

Douay-Rheims Bible
Now at the time that Saul saw David going out against the Philistines, he said to Abner the captain of the army: Of what family is this young man descended, Abner? And Abner said: As thy soul liveth, O king, I know not.

English Revised Version
And when Saul saw David go forth against the Philistine, he said unto Abner, the captain of the host, Abner, whose son is this youth? And Abner said, As thy soul liveth, O king, I cannot tell.

King James Bible
And when Saul saw David go forth against the Philistine, he said unto Abner, the captain of the host, Abner, whose son is this youth? And Abner said, As thy soul liveth, O king, I cannot tell.

World English Bible
When Saul saw David go forth against the Philistine, he said to Abner, the captain of the army, "Abner, whose son is this youth?" Abner said, "As your soul lives, O king, I can't tell."

Young's Literal Translation
And when Saul seeth David going out to meet the Philistine, he hath said unto Abner, head of the host, 'Whose son is this -- the youth, Abner?' and Abner saith, 'Thy soul liveth, O king, I have not known.'

1 Samuel 17:55 Additional Translations ...