Isaiah 11:13

The hatred of Ephraim and the enmity of Judah shall be clean rooted out. Ephraim shall bear no evil will to Judah, and Judah shall not hate Ephraim:

Jeremiah 3:18

Then those that be of the house of Judah shall go into the house of Israel: and they shall come together out of the North, into the same land that I have given your fathers.

Hosea 1:11

Then shall the children of Judah and the children of Israel be gathered together again, and chose themselves one head, and then depart out of the land: for great shall be the day of Jezreel."

Isaiah 7:1-6

It happened in the time of Ahaz the son of Jotham, which was the son of Uzziah, king of Judah: that Rezin the king of Syria, and Pekah the son of Remaliah, king of Israel, went up toward Jerusalem to besiege it, but won it not.

Isaiah 9:21

Manasseh shall eat Ephraim and Ephraim Manasseh, and they both shall eat Judah. After all this shall not the LORD's wrath cease, but yet shall his hand be stretched out still.

Ezekiel 37:16-24

"Thou son of man, take a stick and write upon it, 'Unto Judah; and to the children of Israel, his companions.' Then take another stick, and write upon it, 'Unto Joseph, the stock of Ephraim; and to all the household of Israel, his companions.'

Treasury of Scripture Knowledge

Summary

The envy also of Ephraim shall depart, and the adversaries of Judah shall be cut off: Ephraim shall not envy Judah, and Judah shall not vex Ephraim.

Bible References

The envy

Isaiah 7:1
It happened in the time of Ahaz the son of Jotham, which was the son of Uzziah, king of Judah: that Rezin the king of Syria, and Pekah the son of Remaliah, king of Israel, went up toward Jerusalem to besiege it, but won it not.
Jeremiah 3:18
Then those that be of the house of Judah shall go into the house of Israel: and they shall come together out of the North, into the same land that I have given your fathers.
Ezekiel 37:16
"Thou son of man, take a stick and write upon it, 'Unto Judah; and to the children of Israel, his companions.' Then take another stick, and write upon it, 'Unto Joseph, the stock of Ephraim; and to all the household of Israel, his companions.'
Hosea 1:11
Then shall the children of Judah and the children of Israel be gathered together again, and chose themselves one head, and then depart out of the land: for great shall be the day of Jezreel."

General references

Psalm 126:3
Yea the LORD hath done great things for us already, whereof we rejoice.
Jeremiah 23:3
And will gather together the remnant of my flock, from all lands that I had driven them unto, and will bring them again to their pastures, that they may grow and increase.
Jeremiah 31:17
Yea, even thy posterity shall have consolation in this, sayeth the LORD, that thy children shall come again into their own land.
Ezekiel 11:17
Tell them also, 'Thus sayeth the LORD God: I will gather you again out of the nations, and bring you from the countries where ye be scattered, and will give you the land of Israel again:
Ezekiel 36:24
And I will take you from the heathen, and will gather you out from all lands and will bring you out of your own country.
Ezekiel 37:17
And then take both these together in thine hand, so shall there be one stick thereof.
Zechariah 8:11
Nevertheless I will now entreat the residue of this people no more as afore time, sayeth the LORD of Hosts,
Galatians 5:15
If ye bite and devour one another: take heed lest ye be consumed one of another.