Numbers 4:1-3

International Standard Version

The Duties of the Descendants of Kohath

4 The Lord told Moses and Aaron, ² “Take a census^[a] of the descendants of Kohath from among the descendants of Levi according to their tribes and ancestral houses ³ from 30 years and older through the age of 50 years, from everyone who can enter the service to perform work at the Tent of Meeting.