Joel

The name of his firstborn son was Joel, and the name of his second was Abijah. They were judges in Beersheba.

The sons of Samuel: Joel his firstborn and Abijah his second son.

These are the men who served, together with their sons. From the Kohathites:

So the Levites appointed Heman son of Joel; from his brothers, Asaph son of Berechiah; from their brothers the Merarites, Ethan son of Kushaiah;