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 16:37

David Appoints Worship Leaders

16:37 David left Asaph and his colleagues there before the ark of the Lord’s covenant to serve before the ark regularly and fulfill each day’s requirements,