And David was the youngest
For the sake of whom this account is given of Jesse and his family, and who after this makes a considerable figure in the camp and court of Saul:
and the three eldest followed Saul;
as before related, and which is repeated, that it might be observed that they only of Jesse's sons followed Saul; not David particularly, but who was providentially sent to the army at the time the Philistine was defying it.