Numbers 1:16
                                                                The Census of the Tribes
1:16 These were the ones chosen from the community, leaders of their ancestral tribes. They were the heads of the thousands of Israel.
                                                Numbers 3:9
                                                                3:9 You are to assign
 the Levites to Aaron and his sons; they will be assigned exclusively
 to him out of all
 the Israelites.
                                                
Numbers 3:20-21
                                                                3:20 The sons of Merari by their families were Mahli and Mushi. These are the families of the Levites by their clans.
                                                                                
The Numbering of the Gershonites
3:21 From Gershon came the family of the Libnites and the family of the Shimeites; these were the families of the Gershonites.
                                                
Numbers 3:33
                                                                The Numbering of Merari
3:33 From Merari came the family of the Mahlites and the family of the Mushites; these were the families of Merari.
                                                
Numbers 4:22
                                                                4:22 “Also take a census of the Gershonites, by their clans and by their families.
                                                
Numbers 20:13
                                                                20:13 These are the waters of Meribah, because the Israelites contended with the Lord, and his holiness was maintained among them.