1 Chronicles 25:7-11

So the number of them, with their brethren that were instructed in the songs of the LORD, even all that were cunning, was two hundred fourscore and eight.

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: