Leviticus 19:20

A Conservative Version

And whoever lays carnally with a woman, who is a bondmaid, betrothed to a husband, and not at all redeemed, nor freedom given her, they shall be punished. They shall not be put to death, because she was not free.

Cross References

Galatians 4:22

For it is written that Abraham had two sons, one from the servant girl, and one from the freewoman.