Numbers 32:4
Even the country which the LORD smote before the congregation of Israel, is a land for cattle, and thy servants have cattle:
Numbers 21:34
And the LORD said to Moses, Fear him not: for I have delivered him into thy hand, and all his people, and his land; and thou shalt do to him as thou didst to Sihon king of the Amorites, who dwelt at Heshbon.
Numbers 21:24
And Israel smote him with the edge of the sword, and possessed his land from Arnon to Jabbok, even to the children of Ammon: for the border of the children of Ammon was strong.
Deuteronomy 2:24-35
Arise ye, take your journey, and pass over the river Arnon: behold, I have given into thy hand Sihon the Amorite, king of Heshbon, and his land: begin to possess it, and contend with him in battle.