Deuteronomy 2:31

And Jehovah saith unto me, See, I have begun to give before thee Sihon and his land; begin to possess -- to possess his land.

Deuteronomy 1:8

see, I have set before you the land; go in and possess the land which Jehovah hath sworn to your fathers, to Abraham, to Isaac, and to Jacob, to give to them, and to their seed after them.

Deuteronomy 2:24

Rise ye, journey and pass over the brook Arnon; see, I have given into thy hand Sihon king of Heshbon, the Amorite, and his land; begin to possess, and stir up thyself against 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 ye, journey and pass over the brook Arnon; see, I have given into thy hand Sihon king of Heshbon, the Amorite, and his land; begin to possess, and stir up thyself against him in battle.
Deuteronomy 1:8
see, I have set before you the land; go in and possess the land which Jehovah hath sworn to your fathers, to Abraham, to Isaac, and to Jacob, to give to them, and to their seed after them.