1 Chronicles 25:7 (KJV)

Of the sons of Asaph; Zaccur, and Joseph, and Nethaniah, and Asarelah, the sons of Asaph under the hands of Asaph, which prophesied according to the order of the king.

Of Jeduthun: the sons of Jeduthun; Gedaliah, and Zeri, and Jeshaiah, Hashabiah, and Mattithiah, six, under the hands of their father Jeduthun, who prophesied with a harp, to give thanks and to praise the LORD.

Of Heman: the sons of Heman: Bukkiah, Mattaniah, Uzziel, Shebuel, and Jerimoth, Hananiah, Hanani, Eliathah, Giddalti, and Romamtiezer, Joshbekashah, Mallothi, Hothir, and Mahazioth:

All these were the sons of Heman the king's seer in the words of God, to lift up the horn. And God gave to Heman fourteen sons and three daughters.

All these were under the hands of their father for song in the house of the LORD, with cymbals, psalteries, and harps, for the service of the house of God, according to the king's order to Asaph, Jeduthun, and Heman.

And they cast lots, ward against ward, as well the small as the great, the teacher as the scholar.

Now the first lot came forth for Asaph to Joseph: the second to Gedaliah, who with his brethren and sons were twelve:

The third to Zaccur, he, his sons, and his brethren, were twelve:

The fourth to Izri, he, his sons, and his brethren, were twelve:

The fifth to Nethaniah, he, his sons, and his brethren, were twelve: