Numbers 26:5

“Reuben, the eldest son of Israel, etc.] the number of his tribe is taken first on that account; there were four families that descended from him, the Hanochite, Palluite, Hesronite, and Carmite, and the number of men from twenty years old and upwards, fit for war, were 43,730; so that, since the last numbering, this tribe was decreased 2770; which may in part be accounted for by the families of Dathan and Abiram being cut off for their rebellion, who were this tribe, and whose affair is briefly related in the following verses, and it may be to point out this unto us.”

“Following The tribes are mentioned in the same order as in the earlier census Numbers 1:0, except that Manasseh here precedes Ephraim; probably as being now the larger tribe. The following table shows the numbers of the tribes at each census; at Sinai, and in the Plains of Moab: At Sinai Plains of Moab Reuben 46,500 43,730 Simeon 9,300 22,200 Gad 45,650 40,500 Judah 74,600 76,500 Issachar 54,400 64,300 Zebulun 57,400 60,500 Ephraim 40,500 32,500 Manasseh 32,200 52,700 Benjamin 35,400 45,600 Dan 62,700 64,400 Asher 41,500 53,400 Naphtali 53,400 45,400 Totals 603, 550 601, 730 Seven of the tribes, of which three are tribes belonging to the camp of Judah, show an increase of numbers; and five,…”

“the eldest: Gen 29:32, Gen 49:2, Gen 49:3; Ch1 5:1, thy children, Gen 46:8, Gen 46:9; Exo 6:14; Ch1 5:3 Numbers 26:7”