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 10:18-19

Journey Arrangements for the Tribes

10:18 The standard of the camp of Reuben set out according to their companies; over his company was Elizur son of Shedeur. 10:19 Over the company of the tribe of the Simeonites was Shelumiel son of Zurishaddai,

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.

Numbers 20:2

20:2 And there was no water for the community, and so they gathered themselves together against Moses and Aaron.