Joshua 3:12

3:12 Now select for yourselves twelve men from the tribes of Israel, one per tribe.

Joshua 4:2

4:2 “Select for yourselves twelve men from the people, one per tribe.

Joshua 4:4

4:4 Joshua summoned the twelve men he had appointed from the Israelites, one per tribe.

Joshua 6:3

6:3 Have all the warriors march around the city one time; do this for six days.