1 Chronicles 25:8-12

They cast lots for their duties, all alike, the small as well as the great, the teacher as well as the pupil.

Now the first lot came out for Asaph to Joseph, the second for Gedaliah, he with his relatives and sons were twelve;

the third to Zaccur, his sons and his relatives, twelve;

the fourth to Izri, his sons and his relatives, twelve;

the fifth to Nethaniah, his sons and his relatives, twelve;