1 Samuel 17:55–18:5

⁵⁵And 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. ⁵⁶And the king said, Inquire thou whose son the stripling is. ⁵⁷And 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. ⁵⁸And Saul said to him, Whose son art thou, thou young man? And David answered, I am the son of thy servant Jesse the Beth-lehemite.

18And it came to pass, when he had made an end of speaking unto Saul, that the soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own soul. ²And Saul took him that day, and would let him go no more home to his father’s house. ³Then Jonathan and David made a covenant, because he loved him as his own soul. ⁴And Jonathan stripped himself of the robe that was upon him, and gave it to David, and his apparel, even to his sword, and to his bow, and to his girdle. ⁵And David went out whithersoever Saul sent him, and behaved himself wisely: and Saul set him over the men of war, and it was good in the sight of all the people, and also in the sight of Saul’s servants.