Deuteronomy 29:26

and went and served other gods, and worshipped them, gods that they knew not, and that he had not given unto them:

Deuteronomy 28:64

And Jehovah will scatter thee among all peoples, from the one end of the earth even unto the other end of the earth; and there thou shalt serve other gods, which thou hast not known, thou nor thy fathers, even wood and stone.

Judges 2:12-13

and they forsook Jehovah, the God of their fathers, who brought them out of the land of Egypt, and followed other gods, of the gods of the peoples that were round about them, and bowed themselves down unto them: and they provoked Jehovah to anger.

Judges 5:8

They chose new gods; Then was war in the gates: Was there a shield or spear seen Among forty thousand in Israel?

2 Kings 17:7-18

And it was so, because the children of Israel had sinned against Jehovah their God, who brought them up out of the land of Egypt from under the hand of Pharaoh king of Egypt, and had feared other gods,

2 Chronicles 36:12-17

and he did that which was evil in the sight of Jehovah his God; he humbled not himself before Jeremiah the prophet'speaking from the mouth of Jehovah.

Jeremiah 19:3-13

and say, Hear ye the word of Jehovah, O kings of Judah, and inhabitants of Jerusalem: thus saith Jehovah of hosts, the God of Israel, Behold, I will bring evil upon this place, which whosoever heareth, his ears shall tingle.

Jeremiah 44:2-6

Thus saith Jehovah of hosts, the God of Israel: Ye have seen all the evil that I have brought upon Jerusalem, and upon all the cities of Judah; and, behold, this day they are a desolation, and no man dwelleth therein,

Treasury of Scripture Knowledge

Summary

For they went and served other gods, and worshipped them, gods whom they knew not, and whom he had not given unto them:

Gods whom

Bible References

They went

Judges 2:12
and they forsook Jehovah, the God of their fathers, who brought them out of the land of Egypt, and followed other gods, of the gods of the peoples that were round about them, and bowed themselves down unto them: and they provoked Jehovah to anger.
Judges 5:8
They chose new gods; Then was war in the gates: Was there a shield or spear seen Among forty thousand in Israel?
2 Kings 17:7
And it was so, because the children of Israel had sinned against Jehovah their God, who brought them up out of the land of Egypt from under the hand of Pharaoh king of Egypt, and had feared other gods,
2 Chronicles 36:12
and he did that which was evil in the sight of Jehovah his God; he humbled not himself before Jeremiah the prophet'speaking from the mouth of Jehovah.
Jeremiah 19:3
and say, Hear ye the word of Jehovah, O kings of Judah, and inhabitants of Jerusalem: thus saith Jehovah of hosts, the God of Israel, Behold, I will bring evil upon this place, which whosoever heareth, his ears shall tingle.
Jeremiah 44:2
Thus saith Jehovah of hosts, the God of Israel: Ye have seen all the evil that I have brought upon Jerusalem, and upon all the cities of Judah; and, behold, this day they are a desolation, and no man dwelleth therein,

Gods whom

Deuteronomy 28:64
And Jehovah will scatter thee among all peoples, from the one end of the earth even unto the other end of the earth; and there thou shalt serve other gods, which thou hast not known, thou nor thy fathers, even wood and stone.

General references

Jeremiah 22:9
Then they shall answer, Because they forsook the covenant of Jehovah their God, and worshipped other gods, and served them.
Lamentations 4:12
The kings of the earth believed not, neither all the inhabitants of the world, That the adversary and the enemy would enter into the gates of Jerusalem.
Ezekiel 20:48
And all flesh shall see that I, Jehovah, have kindled it; it shall not be quenched.
Ezekiel 36:34
And the land that was desolate shall be tilled, whereas it was a desolation in the sight of all that passed by.

American Standard Version Public Domain