Exodus 21:5

2 `When thou buyest a Hebrew servant--six years he doth serve, and in the seventh he goeth out as a freeman for nought;

3 if by himself he cometh in, by himself he goeth out; if he is owner of a wife, then his wife hath gone out with him;

4 if his lord give to him a wife, and she hath borne to him sons or daughters--the wife and her children are her lord's, and he goeth out by himself.

5 `And if the servant really say: I have loved my lord, my wife, and my sons--I do not go out free;

6 then hath his lord brought him nigh unto God, and hath brought him nigh unto the door, or unto the side-post, and his lord hath bored his ear with an awl, and he hath served him--to the age.

7 `And when a man selleth his daughter for a handmaid, she doth not go out according to the going out of the men-servants;

8 if evil in the eyes of her lord, so that he hath not betrothed her, then he hath let her be ransomed; to a strange people he hath not power to sell her, in his dealing treacherously with her.