1 Chronicles 25:9

And the first lot for Asaph went out to Joseph; the second to Gedaliahu; he and his brothers and his twelve sons.

Treasury of Scripture Knowledge

Summary

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

Bible References

Joseph

1 Chronicles 25:2
for the sons of Asaph: Zakkur, Joseph, Nethaniah, and Asarelah, sons of Asaph, under the hand of Asaph, who prophesied under the hands of the king.