Merari: Head the Merarite Levites
Source: Nav
Numbers 3:17, 33–35
These were the sons of Levi by name: Gershon, Kohath, and Merari. / From Merari came the clans of the Mahlites and Mushites; these were the Merarite clans. / The leader of the families of the Merarites was Zuriel son of Abihail; they were to camp on the north side of the tabernacle.