Deuteronomy 2:31

And Jehovah said to me, Behold, I begin to give Sihon and his land before thee: begin, take possession, that thou mayest possess his land.

Deuteronomy 1:8

Behold, I have set the land before you: go in and possess the land which Jehovah swore unto your fathers, to Abraham, to Isaac, and to Jacob, to give unto them and to their seed after them.

Deuteronomy 2:24

Rise up, take your journey, and pass over the river Arnon. Behold, I have given into thy hand Sihon the king of Heshbon, the Amorite, and his land: begin, take possession, and engage with him in battle.

Treasury of Scripture Knowledge

Summary

And the LORD said unto me, Behold, I have begun to give Sihon and his land before thee: begin to possess, that thou mayest inherit his land.

Bible References

Give sihon

Deuteronomy 2:24
Rise up, take your journey, and pass over the river Arnon. Behold, I have given into thy hand Sihon the king of Heshbon, the Amorite, and his land: begin, take possession, and engage with him in battle.
Deuteronomy 1:8
Behold, I have set the land before you: go in and possess the land which Jehovah swore unto your fathers, to Abraham, to Isaac, and to Jacob, to give unto them and to their seed after them.