Leviticus 25:27

25:27 he is to calculate the value of the years it was sold, refund the balance to the man to whom he had sold it, and return to his property.

Leviticus 25:45

25:45 Also you may buy slaves from the children of the foreigners who reside with you, and from their families that are with you, whom they have fathered in your land, they may become your property.

Leviticus 26:45

26:45 I will remember for them the covenant with their ancestors whom I brought out from the land of Egypt in the sight of the nations to be their God. I am the Lord.’”