Numbers 3:33-38

ISV(i) 33 The Descendants of Merari and Their DutiesThe families of Mahli and Mushi were descendants of Merari. As families of Merari, 34 all the males a month old and above numbered 6,200. 35 The leader of the tribe and family of Merari was Abihail’s son Zuriel. The descendants of Merari encamped beside the tent toward the north. 36 The duties of the caretakers from the descendants of Merari included the boards of the tent, its bars, crossbars, sockets, all its utensils for their services, 37 the pillars around the courtyard, their sockets, pegs, and tent cords.
38 The Encampment of Moses and AaronIn front of the tent and east of the Tent of Meeting, Moses, Aaron, and Aaron’s sons encamped facing the east. They were tasked to perform the duties of the sanctuary and care for the needs of the Israelis. Any unauthorized person who approached was to be executed.