1 Chronicles 6:39-47

39and his brother aAsaph, who stood on his right hand, namely, Asaph the son of Berechiah, son of Shimea, 40son of Michael, son of Baaseiah, son of Malchijah, 41son of Ethni, son of Zerah, son of Adaiah, 42son of Ethan, son of Zimmah, son of Shimei, 43son of Jahath, son of Gershom, son of Levi. 44On the left hand were their brothers, the sons of Merari: Ethan the son of Kishi, son of Abdi, son of Malluch, 45son of Hashabiah, son of Amaziah, son of Hilkiah, 46son of Amzi, son of Bani, son of Shemer, 47son of Mahli, son of Mushi, son of Merari, son of Levi.

1 Chronicles 16:37

Worship Before the Ark

37So David left Asaph and his brothers there bbefore the ark of the covenant of the Lord to minister regularly before the ark cas each day required,

1 Chronicles 25:1-6

David Organizes the Musicians

1David and the chiefs of the service also set apart for the service the sons of dAsaph, and of eHeman, and of fJeduthun, who gprophesied with lyres, with hharps, and with cymbals. The list of those who did the work and of their duties was: 2Of the sons of Asaph: Zaccur, Joseph, Nethaniah, and Asharelah, sons of Asaph, under the direction of Asaph, who iprophesied under the direction of the king. 3Of Jeduthun, the sons of Jeduthun: Gedaliah, Zeri, Jeshaiah, Shimei,
One Hebrew manuscript, Septuagint; most Hebrew manuscripts lack  Shimei
Hashabiah, and Mattithiah, six, under the direction of their father Jeduthun, kwho prophesied with the lyre in thanksgiving and praise to the Lord.
4Of Heman, the sons of Heman: Bukkiah, Mattaniah, Uzziel, Shebuel and Jerimoth, Hananiah, Hanani, Eliathah, Giddalti, and Romamti-ezer, Joshbekashah, Mallothi, Hothir, Mahazioth. 5All these were the sons of Heman lthe king’s seer, according to the promise of God to exalt him, for God had given Heman fourteen sons and three daughters. 6They were all under the direction of their father in the music in the house of the Lord with cymbals, mharps, and lyres for the service of the house of God. Asaph, Jeduthun, and Heman were under the order of the king.
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