1 Chronicles 25:9

25:9 The first lot went to Asaph’s son Joseph and his relatives and sons – twelve in all,

the second to Gedaliah and his relatives and sons – twelve in all,

1 Chronicles 25:3

25:3 From the sons of Jeduthun: Gedaliah, Zeri, Jeshaiah, Hashabiah, and Mattithiah – six in all, under supervision of their father Jeduthun, who prophesied as he played a harp, giving thanks and praise to the Lord.