1 Chronicles 9:24-26

Young's Literal Translation

²⁴ At four sides are the gatekeepers, east, west, north, and south.

²⁵ And their brethren in their villages [are] to come in for seven days from time to time with these.

²⁶ For in office [are] the four chiefs of the gatekeepers, they are Levites, and they have been over the chambers, and over the treasuries of the house of God,