Numbers 1:26
From the sons of Judah, according to the records of their clans and families, counting the names of those twenty years of age or older who could serve in the army,

Numbers 2:10, 11
On the south side, the divisions of Reuben are to camp under their banner: The leader of the Reubenites is Elizur son of Shedeur, . . .

Numbers 26:7
These were the clans of Reuben, and their registration numbered 43, 730.