his first-born.

1 Samuel 16:6-13
When they arrived, Samuel saw Eliab and said, "Surely here before the LORD is His anointed." . . .

1 Samuel 17:13, 28
The three older sons of Jesse had followed Saul to the war: The firstborn was Eliab, the second was Abinadab, and the third was Shammah. . . .

Eliab.

1 Chronicles 27:18
over Judah was Elihu, one of David's brothers; over Issachar was Omri son of Michael;

Elihu.

1 Chronicles 20:7
and when he taunted Israel, Jonathan the son of David's brother Shimei killed him.

Shimea.

1 Samuel 16:9
Next Jesse presented Shammah, but Samuel said, "The LORD has not chosen this one either."

Shammah.