29 You shall number the sons of Merari by their families, by their fathers' house,
Numbers 4:29 Cross References - LITV
Numbers 3:33-35
33 Of Merari was the family of the Mahlites and the family of the Mushites. These were the families of Merari.
34 And those numbered of them, according to the number of all the males, from a son of a month and upward were six thousand and two hundred.
35 The ruler of the fathers' house of the families of Merari was Zuriel the son of Abihail. They were to encamp on the side of the tabernacle northward.