2388 Incest designates intimate relations between relatives or in-laws within a degree that prohibits marriage between them.180 St. Paul stigmatizes this especially grave offense: “It is actually reported that there is immorality among you . . . for a man is living with his father’s wife…. In the name of the Lord Jesus … you are to deliver this man to Satan for the destruction of the flesh….”181 Incest corrupts family relationships and marks a regression toward animality.
180 Cf. Leviticus 18:7-20.
181 1 Corinthians 5:1,4-5.
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Catechism of the Catholic Church: text - IntraText CT. (2012). Retrieved January 7th, 2012, from: http://www.intratext.com/IXT/ENG0015/_INDEX.HTM
Catechism of the Catholic Church: text - IntraText CT. (2012). Retrieved January 7th, 2012, from: http://www.intratext.com/IXT/ENG0015/_INDEX.HTM
7 Thou shalt not uncover the nakedness of thy father, or the nakedness of thy mother: she is thy mother, thou shalt not uncover her nakedness.
8 Thou shalt not uncover the nakedness of thy father's wife: for it is the nakedness of thy father.
9 Thou shalt not uncover the nakedness of thy sister by father or by mother, whether born at home or abroad.
10 Thou shalt not uncover the nakedness of thy son's daughter, or thy daughter's daughter: because it is thy own nakedness.
11 Thou shalt not uncover the nakedness of thy father's wife's daughter, whom she bore to thy father, and who is thy sister.
12 Thou shalt not uncover the nakedness of thy father's sister: because she is the flesh of thy father.
13 Thou shalt not uncover the nakedness of thy mother's sister: because she is thy mother's flesh.
14 Thou shalt not uncover the nakedness of thy father's brother: neither shalt thou approach to his wife, who is joined to thee by affinity.
15 Thou shalt not uncover the nakedness of thy daughter in law: because she is thy son's wife, neither shalt thou discover her shame.
16 Thou shalt not uncover the nakedness of thy brother's wife: because it is the nakedness of thy brother.
17 Thou shalt not uncover the nakedness of thy wife and her daughter. Thou shalt not take her son's daughter or her daughter's daughter, to discover her shame: because they are her flesh, and such copulation is incest.
18 Thou shalt not take thy wife's sister for a harlot, to rival her, neither shalt thou discover her nakedness, while she is yet living.
19 Thou shalt not approach to a woman having her flowers, neither shalt thou uncover her nakedness.
20 Thou shalt not lie with thy neighbour's wife, nor be defiled with mingling of seed.
1 It is absolutely heard, that there is fornication among you, and such fornication as the like is not among the heathens; that one should have his father's wife.
4 In the name of our Lord Jesus Christ, you being gathered together, and my spirit, with the power of our Lord Jesus;
5 To deliver such a one to Satan for the destruction of the flesh, that the spirit may be saved in the day of our Lord Jesus Christ.