Some Holy scriptures that speak of marriage, relationships and sexual behaviors

Genesis 1:27-28
Genesis 2:24
Genesis 19:4-5
Exodus 20:12
Exodus 20:14
Leviticus 18:22
Leviticus 20:13
Judges 19:22
Malachi 2:14
Matthew 5:17
Mark 10:6-9
Romans 1:26-27
1 Corinthians 6:9-11
1 Corinthians 7:1-2
2 Corinthians 11:2
Ephesians 5:31-32
1 Timothy 1:9-10
1 Timothy 3:2,12
2 Peter 2:4-10
Jude 7
Revelation 19:7

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Scripture References (NRSV)

Genesis 1:27-28 So God created man in His own image; in the image of God He created him; male and female He created them. God blessed them, and God said to them, "Be fruitful and multiply"

Genesis 2:24 Therefore a man leaves his father and his mother and clings to his wife, and they become one flesh.

Genesis 19:4-5 But before they lay down, the men of the city, the men of Sodom, both young and old, all the people to the last man, surrounded the house;and they called to Lot, "Where are the men who came to you tonight? Bring them out to us, so that we may know [have sex with] them"

Exodus 20:12 "Honor thy father and thy mother: that thy days may be long upon the land which the LORD thy God giveth thee."

Exodus 20:14 "You shall not commit adultery."

Leviticus 18:22 Man shall not lie with a man as with a woman; it is an abomination.

Leviticus 20:13 If a man lies with a man as with a woman, both of them have committed an abomination; they shall be put to death; their blood is upon them

Judges 19:22 While they were enjoying themselves, the men of the city, a perverse lot, surrounded the house, and started pounding on the door. They said to the old man, the master of the house, "Bring out the man who came into your house, so that we may have intercourse with him."

Malachi 2.14 You ask, "Why does he not?" Because the LORD was a witness between you and the wife of your youth, to whom you have been faithless, though she is your companion and your wife by covenant.

Matthew 5:17 "Do not think that I [Jesus] have come to abolish the law or the prophets; I have come not to abolish but to fulfill."

Mark 10:6-9 But from the beginning of creation, God made them male and female. For this reason a man shall leave his father and mother and be joined to his wife, and the two shall become one flesh. So they are no longer two, but one flesh.Therefore what God has joined together, let no one separate.

Romans 1:26-27 For this reason God gave them up to degrading passions. Their women exchanged natural intercourse for unnatural,and in the same way also the men, giving up natural intercourse with women, were consumed with passion for one another. Men committed shameless acts with men and received in their own persons the due penalty for their error.

1 Corinthians 6:9-11 Do you not know that wrongdoers will not inherit the kingdom of God? Do not be deceived! Fornicators, idolaters, adulterers, male prostitutes, sodomites, thieves, the greedy, drunkards, revilers, robbers—none of these will inherit the kingdom of God. And this is what some of you used to be. But you were washed, you were sanctified, you were justified in the name of the Lord Jesus Christ and in the Spirit of our God.

1 Corinthians 7:1-2 Now concerning the matters about which you wrote: It is well for a man not to touch a woman. But because of cases of sexual immorality, each man should have his own wife and each woman her own husband.

2 Corinthians 11:2 I feel a divine jealousy for you, for I promised you in marriage to one husband, to present you as a chaste virgin to Christ.

Ephesians 5:31-32 For this reason a man will leave his father and mother and be joined to his wife, and the two will become one flesh. This is a great mystery, and I am applying it to Christ and the church.

1 Timothy 1:9-10 This means understanding that the law is laid down not for the innocent but for the lawless and disobedient, for the godless and sinful, for the unholy and profane, for those who kill their father or mother, for murderers, fornicators, sodomites, slave traders, liars, perjurers, and whatever else is contrary to the sound teaching.

1 Timothy 3:2 Now a bishop must be above reproach, married once [to one wife], temperate, sensible, respectable, hospitable, an apt teacher,

1 Timothy 3:12 Let deacons be married only once [to one wife], and let them manage their children and their households well;

2 Peter 2:4-10 For if God did not spare the angels when they sinned, but cast them into hell and committed them to chains of deepest darkness to be kept until the judgment, and if he did not spare the ancient world, even though he saved Noah, a herald of righteousness, with seven others, when he brought a flood on a world of the ungodly; and if by turning the cities of Sodom and Gomorrah to ashes he condemned them to extinction and made them an example of what is coming to the ungodly;and if he rescued Lot, a righteous man greatly distressed by the licentiousness of the lawless(for that righteous man, living among them day after day, was tormented in his righteous soul by their lawless deeds that he saw and heard),then the Lord knows how to rescue the godly from trial, and to keep the unrighteous under punishment until the day of judgment—especially those who indulge their flesh in depraved lust, and who despise authority. Bold and willful, they are not afraid to slander the glorious ones,

Jude 7 Likewise, Sodom and Gomorrah and the surrounding cities, which, in the same manner as they, indulged in sexual immorality and pursued unnatural lust, serve as an example by undergoing a punishment of eternal fire.

Revelation 19:7 Let us rejoice and exult and give him the glory, for the marriage of the Lamb has come, and his bride has made herself ready.