Ezra 9:2

They have taken their daughters as wives for themselves and for their sons. They have mingled the holy race with peoples around them. In fact the leaders and officials were first to do this evil.

Exodus 22:31

You are to be my holy people. Do not eat any flesh torn to bits in the field. Throw it to the dogs.

Exodus 34:16

You might take some of his daughters for your sons, and his daughters might commit spiritual immorality (fornication) with their gods and cause your sons also to commit spiritual immorality with their gods.

Ezra 10:18-44

Among the sons of the priests who were married to strange women were these: of the sons of Jeshua, the son of Jozadak and his brothers, Maaseiah and Eliezer and Jarib and Gedaliah.

Nehemiah 13:23-24

I saw the Jews who were married to women of Ashdod and Ammon and Moab:

2 Corinthians 6:14

Do not be unequally yoked with unbelievers: for what fellowship does righteousness have with lawlessness? Or what communion does light have with darkness?

Deuteronomy 7:6

You are a holy people to Jehovah your God. Jehovah your God has chosen you to be his own special people out of all the nations of the earth.

Deuteronomy 14:2

You are a holy people to Jehovah your God. Out of all the people on the face of the earth Jehovah has chosen you to be a people for His own possession.

Ezra 10:2

Shecaniah, the son of Jehiel, one of the sons of Elam, answering, said to Ezra, We have done evil against our God, and have taken as our wives strange women of the peoples of the land. But still there is hope for Israel in this question.

Genesis 6:2

The sons of God saw that the daughters of men were beautiful. They married any of them they chose.

Exodus 19:6

You will be my kingdom of priests and my holy nation. These are the words you must speak to the children of Israel.'

Deuteronomy 7:1-4

Jehovah your God will bring you into the land you are to possess. He will clear away many nations ahead of you. The nations he will clear: the Hittites, Girgashites, Amorites, and the Canaanites, the Perizzites, Hivites, and the Jebusites. These seven nations are larger and mightier than you.

Nehemiah 13:3-4

So after hearing the law, they took out of Israel all the mixed people.

Nehemiah 13:17

Then I made protests to the chiefs of Judah, and said to them: What is this evil you are doing, not keeping the Sabbath day holy?

Nehemiah 13:28

One of the sons of Joiada, the son of Eliashib, the chief priest, was son-in-law to Sanballat the Horonite, so I sent him away from me.

Isaiah 6:13

Even if one out of ten people are left it will be destroyed (burned) again. When a strong tree or an oak is cut down, a stump is left. The holy seed is the stump.

Malachi 2:11

The people of Judah have done wrong. They deal treacherously and committed an abomination in Israel and in Jerusalem. Judah has profaned the holiness of Jehovah by marrying the daughter of a foreign god.

Malachi 2:15

Did God make you one? Your flesh and spirit belong to him. What does God look for but godly descendants? Do not be unfaithful to the wife of your youth.

1 Corinthians 7:14

For the wife sanctifies the unbelieving husband, and the husband sanctifies the unbelieving wife. Otherwise your children would be unclean. But now they are holy.

Treasury of Scripture Knowledge

Summary

For they have taken of their daughters for themselves, and for their sons: so that the holy seed have mingled themselves with the people of those lands: yea, the hand of the princes and rulers hath been chief in this trespass.

Bible References

Taken of their

Ezra 10:18
Among the sons of the priests who were married to strange women were these: of the sons of Jeshua, the son of Jozadak and his brothers, Maaseiah and Eliezer and Jarib and Gedaliah.
Exodus 34:16
You might take some of his daughters for your sons, and his daughters might commit spiritual immorality (fornication) with their gods and cause your sons also to commit spiritual immorality with their gods.
Deuteronomy 7:1
Jehovah your God will bring you into the land you are to possess. He will clear away many nations ahead of you. The nations he will clear: the Hittites, Girgashites, Amorites, and the Canaanites, the Perizzites, Hivites, and the Jebusites. These seven nations are larger and mightier than you.
Nehemiah 13:23
I saw the Jews who were married to women of Ashdod and Ammon and Moab:
Malachi 2:11
The people of Judah have done wrong. They deal treacherously and committed an abomination in Israel and in Jerusalem. Judah has profaned the holiness of Jehovah by marrying the daughter of a foreign god.

The holy seed

Exodus 19:6
You will be my kingdom of priests and my holy nation. These are the words you must speak to the children of Israel.'
Exodus 22:31
You are to be my holy people. Do not eat any flesh torn to bits in the field. Throw it to the dogs.
Deuteronomy 7:6
You are a holy people to Jehovah your God. Jehovah your God has chosen you to be his own special people out of all the nations of the earth.
Deuteronomy 14:2
You are a holy people to Jehovah your God. Out of all the people on the face of the earth Jehovah has chosen you to be a people for His own possession.
Isaiah 6:13
Even if one out of ten people are left it will be destroyed (burned) again. When a strong tree or an oak is cut down, a stump is left. The holy seed is the stump.
Malachi 2:15
Did God make you one? Your flesh and spirit belong to him. What does God look for but godly descendants? Do not be unfaithful to the wife of your youth.
1 Corinthians 7:14
For the wife sanctifies the unbelieving husband, and the husband sanctifies the unbelieving wife. Otherwise your children would be unclean. But now they are holy.

Mingled

Genesis 6:2
The sons of God saw that the daughters of men were beautiful. They married any of them they chose.
Nehemiah 13:3
So after hearing the law, they took out of Israel all the mixed people.
2 Corinthians 6:14
Do not be unequally yoked with unbelievers: for what fellowship does righteousness have with lawlessness? Or what communion does light have with darkness?

The hand

Ezra 10:18
Among the sons of the priests who were married to strange women were these: of the sons of Jeshua, the son of Jozadak and his brothers, Maaseiah and Eliezer and Jarib and Gedaliah.
Nehemiah 13:4
Before this, Eliashib the priest had been placed over the rooms of the house of our God. He was a friend of Tobiah.

General references

Exodus 34:16
You might take some of his daughters for your sons, and his daughters might commit spiritual immorality (fornication) with their gods and cause your sons also to commit spiritual immorality with their gods.
Deuteronomy 7:3
Do not intermarry with them. Do not give your daughters to their sons or take their daughters for your sons.
Nehemiah 10:30
That way we would not give our daughters to the peoples of the lands, or take their daughters for our sons;