Leviticus 25:43-45

⁴³thou rulest not over him with rigour, and thou hast been afraid of thy God.

⁴⁴'And thy man-servant and thy handmaid whom thou hast are of the nations who are round about you; of them ye buy man-servant and handmaid,

⁴⁵and also of the sons of the settlers who are sojourning with you, of them ye buy, and of their families who are with you, which they have begotten in your land, and they have been to you for a possession;