Thematic Bible: They served in twenty-four courses

And the families were taken by the decision of the Lord for every door; the small family had the same chance as the great. And the care of the door on the east came out for Shelemiah. Then the name of Zechariah his son, a man wise in discussion, came out, and the door on the north was given to him. To Obed-edom, that on the south; and to his sons, the store-house. read more.
To Hosah, the door on the west, by the door of Shallecheth, at the footway which goes up, watch by watch. On the east were six Levites a day, and on the north and the south four a day, and for the store-house two and two. For the pillared way, on the west, four at the footway and two at the pillared way itself. These were the divisions of door-keepers, of the sons of the Korahites and of the sons of Merari.