Numbers 7:2
7:2 Then the leaders of Israel, the heads of their clans,
made an offering. They were the leaders of the tribes; they were the ones who had been supervising
the numbering.
Numbers 10:14
10:14 The standard of the camp of the Judahites set out first according to their companies, and over his company was Nahshon son of Amminadab.
Numbers 10:22
10:22 And the standard of the camp of the Ephraimites set out according to their companies; over his company was Elishama son of Ammihud.