1 Kings 4:31 For he was wiser than all men; than Ethan the Ezrahite, and Heman, and Calcol, and Darda, the sons of Mahol: and his fame was in all the nations all around. (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV)
1 Chronicles 2:6 And the sons of Zerah: Zimri, and Ethan, and Heman, and Calcol, and Dara: five of them in all. (See NIV)