Joel: Son of Samuel

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

These are the men who served, together with their sons. From the Kohathites: Heman the singer, the son of Joel, the son of Samuel,

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