Leviticus 18:5-7

The Voice

⁵ Stay devoted to My decrees and commands. The person who observes them will live by them.^[a] I am the Eternal One.

⁶ You must not have sexual relations with anyone closely related to you. I am the Eternal One. ⁷ This includes your father and your mother. You are to honor her as your mother and not have sexual relations with her.