I Samuel 17:13

13 Jesse's three oldest sons had followed Saul to the war: The firstborn was Eliab; the second, Abinadab; and the third, Shammah.

13 And the three oldest sons of Jesse had gone with Saul to the fight: the names of the three who went to the fight were Eliab, the oldest, and Abinadab the second, and Shammah the third.