Numbers 3:33-35

Of Merari was the family of the Mahlites and the family of the Mushites; these were the families of Merari. Their numbered men in the counting of every male from a month old and upward: 6,200. And the leader of the fathers’ households of the families of Merari was Zuriel the son of Abihail. They were to camp on the northward side of the tabernacle.