Numbers 36:6-9
This is what the LORD has commanded concerning the daughters of Zelophehad: They may marry anyone they please, provided they marry within a clan of the tribe of their father. / No inheritance in Israel may be transferred from tribe to tribe, because each of the Israelites is to retain the inheritance of the tribe of his fathers. / Every daughter who possesses an inheritance from any Israelite tribe must marry within a clan of the tribe of her father, so that every Israelite will possess the inheritance of his fathers. ...

Ruth 4:10
Moreover, I have acquired Ruth the Moabitess, Mahlon’s widow, as my wife, to raise up the name of the deceased through his inheritance, so that his name will not disappear from among his brothers or from the gate of his home. You are witnesses today.”

1 Kings 11:1-2
King Solomon, however, loved many foreign women along with the daughter of Pharaoh—women of Moab, Ammon, Edom, and Sidon, as well as Hittite women. / These women were from the nations about which the LORD had told the Israelites, “You must not intermarry with them, for surely they will turn your hearts after their gods.” Yet Solomon clung to these women in love.

Ezra 9:1-2
After these things had been accomplished, the leaders approached me and said, “The people of Israel, including the priests and Levites, have not kept themselves separate from the surrounding peoples whose abominations are like those of the Canaanites, Hittites, Perizzites, Jebusites, Ammonites, Moabites, Egyptians, and Amorites. / Indeed, the Israelites have taken some of their daughters as wives for themselves and their sons, so that the holy seed has been mixed with the people of the land. And the leaders and officials have taken the lead in this unfaithfulness!”

Nehemiah 13:23-27
In those days I also saw Jews who had married women from Ashdod, Ammon, and Moab. / Half of their children spoke the language of Ashdod or of the other peoples, but could not speak the language of Judah. / 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! ...

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.

Exodus 34:16
And when you take some of their daughters as brides for your sons, their daughters will prostitute themselves to their gods and cause your sons to do the same.

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.

Joshua 23:12-13
For if you turn away and cling to the rest of these nations that remain among you, and if you intermarry and associate with them, / know for sure that the LORD your God will no longer drive out these nations before you. Instead, they will become for you a snare and a trap, a scourge in your sides and thorns in your eyes, until you perish from this good land that the LORD your God has given you.

Judges 3:5-6
Thus the Israelites continued to live among the Canaanites, Hittites, Amorites, Perizzites, Hivites, and Jebusites. / And they took the daughters of these people in marriage, gave their own daughters to their sons, and served their gods.

2 Corinthians 6:14-15
Do not be unequally yoked with unbelievers. For what partnership can righteousness have with wickedness? Or what fellowship does light have with darkness? / What harmony is there between Christ and Belial? Or what does a believer have in common with an unbeliever?

Matthew 1:5
Salmon was the father of Boaz by Rahab, Boaz the father of Obed by Ruth, Obed the father of Jesse,

Ephesians 2:11-13
Therefore remember that formerly you who are Gentiles in the flesh and called uncircumcised by the so-called circumcision (that done in the body by human hands)— / remember that at that time you were separate from Christ, alienated from the commonwealth of Israel, and strangers to the covenants of the promise, without hope and without God in the world. / But now in Christ Jesus you who once were far away have been brought near through the blood of Christ.

Galatians 3:28
There is neither Jew nor Greek, slave nor free, male nor female, for you are all one in Christ Jesus.