Deuteronomy 27:11-13
27:11 Moreover, Moses commanded the people that day:
27:12 “The following tribes must stand to bless the people on Mount Gerizim when you cross the Jordan: Simeon, Levi, Judah, Issachar, Joseph, and Benjamin.
27:13 And these other tribes must stand for the curse on Mount Ebal: Reuben, Gad, Asher, Zebulun, Dan, and Naphtali.