6:33And these are they that waited with their children. Of the sons of the Kohathites: Heman a singer, the son of Joel, the son of Shemuel,

15:17So the Levites appointed Heman the son of Joel; and of his brethren, Asaph the son of Berechiah; and of the sons of Merari their brethren, Ethan the son of Kushaiah;