Num 3:33-36

33To Merari belonged the clan of the Mahlites and the clan of the Mushites: these are the clans of Merari.34Their enrollment, counting all the males from a month old and upward, was six thousand two hundred.35The head of the ancestral house of the clans of Merari was Zuriel son of Abihail; they were to camp on the north side of the tabernacle.36The responsibility assigned to the sons of Merari was to be the frames of the tabernacle, the bars, the pillars, the bases, and all their accessories—all the service pertaining to these;