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Sexual Relations

The L ord spoke to Moses, saying:

² Speak to the people of Israel and say to them: I am the L ord your God. ³You shall not do as they do in the land of Egypt, where you lived, and you shall not do as they do in the land of Canaan, to which I am bringing you. You shall not follow their statutes. ⁴My ordinances you shall observe and my statutes you shall keep, following them: I am the L ord your God. ⁵You shall keep my statutes and my ordinances; by doing so one shall live: I am the L ord.

⁶ None of you shall approach anyone near of kin to uncover nakedness: I am the L ord. ⁷You shall not uncover the nakedness of your father, which is the nakedness of your mother; she is your mother, you shall not uncover her nakedness. ⁸You shall not uncover the nakedness of your father’s wife; it is the nakedness of your father. ⁹You shall not uncover the nakedness of your sister, your father’s daughter or your mother’s daughter, whether born at home or born abroad. ¹⁰You shall not uncover the nakedness of your son’s daughter or of your daughter’s daughter, for their nakedness is your own nakedness. ¹¹You shall not uncover the nakedness of your father’s wife’s daughter, begotten by your father, since she is your sister. ¹²You shall not uncover the nakedness of your father’s sister; she is your father’s flesh. ¹³You shall not uncover the nakedness of your mother’s sister, for she is your mother’s flesh. ¹⁴You shall not uncover the nakedness of your father’s brother, that is, you shall not approach his wife; she is your aunt. ¹⁵You shall not uncover the nakedness of your daughter-in-law: she is your son’s wife; you shall not uncover her nakedness. ¹⁶You shall not uncover the nakedness of your brother’s wife; it is your brother’s nakedness. ¹⁷You shall not uncover the nakedness of a woman and her daughter, and you shall not take her son’s daughter or her daughter’s daughter to uncover her nakedness; they are your flesh; it is depravity. ¹⁸And you shall not take a woman as a rival to her sister, uncovering her nakedness while her sister is still alive.

¹⁹ You shall not approach a woman to uncover her nakedness while she is in her menstrual uncleanness. ²⁰You shall not have sexual relations with your kinsman’s wife, and defile yourself with her. ²¹You shall not give any of your offspring to sacrifice them to Molech, and so profane the name of your God: I am the L ord. ²²You shall not lie with a male as with a woman; it is an abomination. ²³You shall not have sexual relations with any animal and defile yourself with it, nor shall any woman give herself to an animal to have sexual relations with it: it is perversion.

²⁴ Do not defile yourselves in any of these ways, for by all these practices the nations I am casting out before you have defiled themselves. ²⁵Thus the land became defiled; and I punished it for its iniquity, and the land vomited out its inhabitants. ²⁶But you shall keep my statutes and my ordinances and commit none of these abominations, either the citizen or the alien who resides among you ²⁷(for the inhabitants of the land, who were before you, committed all of these abominations, and the land became defiled); ²⁸otherwise the land will vomit you out for defiling it, as it vomited out the nation that was before you. ²⁹For whoever commits any of these abominations shall be cut off from their people. ³⁰So keep my charge not to commit any of these abominations that were done before you, and not to defile yourselves by them: I am the L ord your God.

New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.

18. Neither shalt thou take a wife to her sister. By this passage certain froward persons pretend that it is permitted, if a man has lost his wife, to marry her own sister, because the restriction is added, not to take the one in the lifetime of the other. From whence they infer, that it is not forbidden that she should succeed in the place of the deceased. But they ought to have considered the intention of the legislator from his own express words, for mention is made not only of incest and filthiness, but of the jealousy and quarrels, which arise from hence. If it had merely been said, “Thou shalt not uncover her turpitude,” there would have been some color to their pretext, that the husband being a widower, he would be free to marry his wife’s sister; but, when a different object for the law is expressly stated, i e., lest she, who was legally married, should be troubled by quarrels and contentions, it is plain that the license for polygamy is restricted by this exception, in order that the Israelites should be contented with one evil, and, at least, should not expose two sisters to hostile contention with each other. The condition of the first wife was already painful enough, when she was compelled to put up with a rival and a concubine; but it was more intolerable to be constantly quarrelling with her near relative. The name of sister is not, therefore, restricted, I think, to actual sisters, but other relations are included in it, whose marriages would not otherwise have been incestuous. In a word, it is not incest which is condemned, so much as the cruelty of a husband, if he chose to contract a further marriage with the near kinswoman of his wife. Nor can we come to any other conclusion from the words of Moses; for if the turpitude of a brother is uncovered when his brother marries his widow, no less is the turpitude of a sister uncovered when her sister marries her husband after her decease. But hence we plainly see the diabolical arrogance of the Pope, who, by inventing new degrees of kindred, would be wiser than God; whilst he also betrays his cunning, because from this kind of sport he made himself a fat game-bag.

Since from long custom it is established that cousins-german should not marry, we must beware of giving scandal lest too unbridled a liberty should expose the Gospel to much reproach; and we must bear in mind Paul’s admonition, to abstain even from things lawful when they are not expedient. (1 Corinthians 10:23.)