1 Chronicles 25:7-9

New Catholic Bible

⁷ Along with their brethren, all of whom were trained and skilled in performing the songs of the Lord, there were two hundred and eighty-eight of them. ⁸ The young and old, the teacher and the student all cast lots.

⁹ The first lot fell to Asaph, to the family of Joseph; the second fell to Gedaliah, who together with his brethren and sons numbered twelve;