Deuteronomy 2:4

2:4 Instruct these people as follows: ‘You are about to cross the border of your relatives the descendants of Esau, who inhabit Seir. They will be afraid of you, so watch yourselves carefully.

Deuteronomy 3:18

Instructions to the Transjordanian Tribes

3:18 At that time I instructed you as follows: “The Lord your God has given you this land for your possession. You warriors are to cross over before your fellow Israelites equipped for battle.