1 Chronicles 15:2

15:2 Then David said, “Only the Levites may carry the ark of God, for the Lord chose them to carry the ark of the Lord and to serve before him perpetually.

1 Chronicles 25:5

25:5 All these were the sons of Heman, the king’s prophet. God had promised him these sons in order to make him prestigious. God gave Heman fourteen sons and three daughters.