1 Chronicles 25:1-9

1Moreover, David and the commanders of the army set apart for the service some of the sons of 1Asaph and of Heman and of Jeduthun, who were to 2prophesy with lyres, 3harps and cymbals; and the number of 4those who performed their service was: 2Of the sons of Asaph: Zaccur, Joseph, Nethaniah and 5Asharelah; the sons of Asaph were under the 6direction of Asaph, who prophesied under the 7direction of the king. 38Of Jeduthun, the sons of Jeduthun: Gedaliah, 9Zeri, Jeshaiah, 10Shimei, Hashabiah and Mattithiah, six, under the 11direction of their father Jeduthun with the harp, who prophesied in giving thanks and praising the Lord. 4Of Heman, the sons of Heman: Bukkiah, Mattaniah, 12Uzziel, 13Shebuel and Jerimoth, Hananiah, Hanani, Eliathah, Giddalti and Romamti-ezer, Joshbekashah, Mallothi, Hothir, Mahazioth. 5All these were the sons of Heman 14the king’s seer to 15exalt him according to the words of God, for God gave fourteen sons and three daughters to Heman. 6All these were under the 16direction of their father to sing in the house of the Lord, 17with cymbals, harps and lyres, for the service of the house of God. 18Asaph, Jeduthun and Heman were under the 19direction of the king. 7Their number who were trained in singing to the Lord, with their 20relatives, all who were skillful, was 21288. 822They cast lots for their duties, all alike, the small as well as the great, the teacher as well as the pupil.

9Now the first lot came out for Asaph to Joseph, the second for Gedaliah, he with his relatives and sons were twelve;