'Class' in the Bible

and with them their relatives of the second rank: Zechariah, Ben, Jaaziel, Shemiramoth, Jehiel, Unni, Eliab, Benaiah, Maaseiah, Mattithiah, Eliphelehu, and Mikneiah, Obed-edom, and Jeiel, the gatekeepers.

Jahath was the first and Zizah the second; but Jeush and Beriah did not have many sons, so they became a father’s household, one class.