Deuteronomy 2:21

2:21 They are a people as powerful, numerous, and tall as the Anakites. But the Lord destroyed the Rephaites in advance of the Ammonites, so they dispossessed them and settled down in their place.

Deuteronomy 2:26-27

Defeat of Sihon, King of Heshbon

2:26 Then I sent messengers from the Kedemoth Desert to King Sihon of Heshbon with an offer of peace: 2:27 “Let me pass through your land; I will keep strictly to the roadway. I will not turn aside to the right or the left.