Ezekiel 44:22
And they shall not marry a widow or a divorced woman, but must marry a virgin of the descendants of the house of Israel, or a widow of a priest.

1 Timothy 3:2
An overseer, then, must be above reproach, the husband of but one wife, temperate, self-controlled, respectable, hospitable, able to teach,

1 Timothy 3:12
A deacon must be the husband of but one wife, a good manager of his children and of his own household.

Titus 1:6
An elder must be blameless, the husband of but one wife, having children who are believers and who are not open to accusation of indiscretion or insubordination.

1 Corinthians 7:2
But because there is so much sexual immorality, each man should have his own wife, and each woman her own husband.

Genesis 24:3-4
and I will have you swear by the LORD, the God of heaven and the God of earth, that you will not take a wife for my son from the daughters of the Canaanites among whom I am dwelling, / but will go to my country and my kindred to take a wife for my son Isaac.”

Genesis 28:1-2
So Isaac called for Jacob and blessed him. “Do not take a wife from the Canaanite women,” he commanded. / “Go at once to Paddan-aram, to the house of your mother’s father Bethuel, and take a wife from among the daughters of Laban, your mother’s brother.

Deuteronomy 7:3-4
Do not intermarry with them. Do not give your daughters to their sons or take their daughters for your sons, / because they will turn your sons away from following Me to serve other gods. Then the anger of the LORD will burn against you, and He will swiftly destroy you.

2 Corinthians 6:14
Do not be unequally yoked with unbelievers. For what partnership can righteousness have with wickedness? Or what fellowship does light have with darkness?

Malachi 2:11
Judah has broken faith; an abomination has been committed in Israel and in Jerusalem. For Judah has profaned the LORD’s beloved sanctuary by marrying the daughter of a foreign god.

Ezra 9:12
Now, therefore, do not give your daughters in marriage to their sons or take their daughters for your sons. Never seek their peace or prosperity, so that you may be strong and may eat the good things of the land, leaving it as an inheritance to your sons forever.’

Nehemiah 13:25
I rebuked them and called down curses on them. I beat some of these men and pulled out their hair. Then I made them take an oath before God and said, “You must not give your daughters in marriage to their sons or take their daughters as wives for your sons or for yourselves!

1 Corinthians 9:5
Have we no right to take along a believing wife, as do the other apostles and the Lord’s brothers and Cephas?

Matthew 19:4-6
Jesus answered, “Have you not read that from the beginning the Creator ‘made them male and female,’ / and said, ‘For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh’? / So they are no longer two, but one flesh. Therefore what God has joined together, let man not separate.”

Ephesians 5:31
“For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh.”