Leviticus 18:8-10

Living Bible

⁸ nor any other of your father’s wives. ⁹ Do not have intercourse with your sister or half sister, whether the daughter of your father or your mother, whether brought up in the same household or elsewhere.

¹⁰ “You shall not have intercourse with your granddaughter—the daughter of either your son or your daughter—for she is a close relative.^[a]