son of Jesse
Eliab of Bethlehem, of the tribe of Judah, was the eldest son of Jesse (1 Samuel 16:6 and 1 Chronicles 2:13 and thus the eldest brother of King David.
From: Wikiquote (CC BY-SA 4.0)
(To David, who asked for information about Goliath) Now Eliab his oldest brother heard when he spoke to the men; and Eliab’s anger was aroused against David, and he said, “Why did you come down here? And with whom have you left those few sheep in the wilderness? I know your pride and the insolence of your heart, for you have come down to see the battle.”