Incest: Defined and Forbidden
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Definition:
Incest refers to sexual relations between individuals who are closely related by blood or marriage, violating the boundaries set by familial relationships. In the context of biblical teachings, incest is considered a grave sin and is explicitly forbidden by God’s law.

Biblical Prohibitions:
The Bible provides clear directives against incestuous relationships, primarily found in the Old Testament. The Book of Leviticus outlines specific prohibitions regarding sexual relations with close relatives. Leviticus 18:6 states, "None of you are to approach any close relative to have sexual relations. I am the LORD." This command establishes the foundational principle that such relationships are forbidden.

Leviticus 18:7-18 further details the specific relatives with whom sexual relations are prohibited, including one's mother, father, sister, brother, daughter, son, aunt, uncle, and in-laws. These prohibitions are reiterated in Leviticus 20:11-21, which also prescribes severe penalties for those who engage in incestuous acts, emphasizing the seriousness of the offense in the eyes of God.

Historical Context:
In ancient Israel, maintaining the purity and sanctity of the family unit was of utmost importance. The prohibitions against incest served to protect the family structure, prevent moral corruption, and uphold the holiness of the community. The Israelites were called to be a people set apart, and adherence to these laws was a reflection of their covenant relationship with God.

New Testament Perspective:
While the New Testament does not explicitly reiterate the detailed prohibitions found in Leviticus, it upholds the moral principles regarding sexual purity and the sanctity of marriage. In 1 Corinthians 5:1 , the Apostle Paul addresses a case of incest within the Corinthian church, stating, "It is actually reported that there is sexual immorality among you, and of a kind that is intolerable even among pagans: A man has his father’s wife." Paul’s condemnation of this act underscores the continuity of the moral law concerning incest.

Theological Implications:
From a theological standpoint, incest is seen as a violation of God’s created order and an affront to the divine institution of the family. The family is intended to be a reflection of God’s love and order, and incest distorts this image. By engaging in incestuous relationships, individuals not only sin against their own bodies but also disrupt the harmony and sanctity of the family unit.

Moral and Ethical Considerations:
The biblical prohibitions against incest highlight the importance of maintaining moral boundaries within familial relationships. These laws serve as a safeguard against the exploitation and abuse of vulnerable family members. They also emphasize the need for respect, honor, and love within the family, aligning with the broader biblical call to love one’s neighbor as oneself (Mark 12:31).

In summary, the Bible unequivocally defines and forbids incest, viewing it as a serious violation of God’s law and the natural order. The scriptural mandates against incest serve to protect the integrity of the family and uphold the holiness of God’s people.
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Leviticus 18:6-18
None of you shall approach to any that is near of kin to him, to uncover their nakedness: I am the LORD.
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Leviticus 20:11,12,17,19-21
And the man that lies with his father's wife has uncovered his father's nakedness: both of them shall surely be put to death; their blood shall be on them.
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Deuteronomy 22:30
A man shall not take his father's wife, nor discover his father's skirt.
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Deuteronomy 27:20-23
Cursed be he that lies with his father's wife; because he uncovers his father's skirt. And all the people shall say, Amen.
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Ezekiel 22:11
And one has committed abomination with his neighbor's wife; and another has lewdly defiled his daughter in law; and another in you has humbled his sister, his father's daughter.
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1 Chronicles 5:1
Now the sons of Reuben the firstborn of Israel, (for he was the firstborn; but for as much as he defiled his father's bed, his birthright was given to the sons of Joseph the son of Israel: and the genealogy is not to be reckoned after the birthright.
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And Now Let us Proceed to Explain the Reasons for which this ...
... the tracts of air, by charms of forbidden magic, and ... overstepped the bounds which
nature had defined, and together ... of most vile and lawless incest with mothers ...
/.../pamphilius/the life of constantine/chapter xiii and now let.htm

Discussion of the Subject of Permission
... permission is properly and adequately defined, effects, in ... as such, and the act,
as forbidden or prescribed ... permitted Absalom to pollute, by incest, the wives ...
/.../arminius/the works of james arminius vol 3/discussion of the subject of.htm

Summa Theologica
Summa Theologica. <. Summa Theologica Saint Thomas Aquinas. Table
of Contents. Title Page. Whether, besides philosophy, any ...
//christianbookshelf.org/aquinas/summa theologica/

Period iii. The Dissolution of the Imperial State Church and the ...
... All things being accepted and remaining perpetually established which were defined
in the ... neither a widow not separated from her husband, nor forbidden by laws ...
/.../ayer/a source book for ancient church history/period iii the dissolution of.htm

Period iv. The Age of the Consolidation of the Church: 200 to 324 ...
... (b) Laws Relating to Forbidden Societies. 1. Justinian, Digest, XLVII.23:1. The
following is a passage taken from the Institutes of Marcian, Bk. III. ...
/.../ayer/a source book for ancient church history/period iv the age of.htm

To Pammachius against John of Jerusalem.
... to say in opposition to this, and how you confront us with adultery and incest. ... For
flesh is defined one way, the body another; all flesh is body, but not ...
/.../jerome/the principal works of st jerome/to pammachius against john of.htm

Memoir of John Bunyan
The Works of John Bunyan Volumes 1-3. <. ...
/.../bunyan/the works of john bunyan volumes 1-3/memoir of john bunyan.htm

Resources
Why did Lot offer up his daughters to be gang raped? Why did God allow Lot's daughters to later have sex with their father? | GotQuestions.org

Who was Cain's wife? | GotQuestions.org

Can a child who is conceived out of wedlock be saved? | GotQuestions.org

Incest: Dictionary and Thesaurus | Clyx.com

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