Leviticus 25:44

But you may get servants as property from among the nations round about; from them you may take men-servants and women-servants.

Exodus 12:44

But every man's servant, whom he has got for money, may take of it, when he has had circumcision.

Psalm 2:8-9

Make your request to me, and I will give you the nations for your heritage, and the farthest limits of the earth will be under your hand.

Isaiah 14:1-2

For the Lord will have mercy on Jacob, and will again make Israel his special people, and will put them in their land; and the man from a strange country will take his place among them and be joined to the family of Jacob.

Revelation 2:26-27

He who overcomes, and keeps my works to the end, to him I will give rule over the nations,

Treasury of Scripture Knowledge

Summary

Both thy bondmen, and thy bondmaids, which thou shalt have, shall be of the heathen that are round about you; of them shall ye buy bondmen and bondmaids.

Bible References

General references

Exodus 12:44
But every man's servant, whom he has got for money, may take of it, when he has had circumcision.
Psalm 2:8
Make your request to me, and I will give you the nations for your heritage, and the farthest limits of the earth will be under your hand.
Isaiah 14:1
For the Lord will have mercy on Jacob, and will again make Israel his special people, and will put them in their land; and the man from a strange country will take his place among them and be joined to the family of Jacob.
Revelation 2:26
He who overcomes, and keeps my works to the end, to him I will give rule over the nations,

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain