The son of Ethan: Azariah.

son of Ethan, son of Zimmah, son of Shimei,

Serving beside them were their fellow Levites, the descendants of Merari, led by Ethan, son of Kishi, son of Abdi, son of Malluch,

So the Levites appointed Heman son of Joel; one of his relatives, Asaph son of Berechiah; one of the descendants of Merari, Ethan son of Kushaiah;