Leviticus 25:44

And as for thy bondman and thy handmaid whom thou shalt have of the nations that are round about you, of them shall ye buy bondmen and handmaids.

Exodus 12:44

but every man's bondman that is bought for money let him be circumcised: then shall he eat it.

Psalm 2:8-9

Ask of me, and I will give thee nations for an inheritance, and for thy possession the ends of the earth:

Isaiah 14:1-2

For Jehovah will have mercy on Jacob, and will yet choose Israel, and set them in rest in their own land; and the stranger shall be united to them, and they shall be joined to the house of Jacob.

Revelation 2:26-27

And he that overcomes, and he that keeps unto the end my works, to him will I give authority 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 bondman that is bought for money let him be circumcised: then shall he eat it.
Psalm 2:8
Ask of me, and I will give thee nations for an inheritance, and for thy possession the ends of the earth:
Isaiah 14:1
For Jehovah will have mercy on Jacob, and will yet choose Israel, and set them in rest in their own land; and the stranger shall be united to them, and they shall be joined to the house of Jacob.
Revelation 2:26
And he that overcomes, and he that keeps unto the end my works, to him will I give authority over the nations,