2 Peter 2:15

They have left the straight path and gone astray. They have followed the path of Balaam, the son of Beor, who set his heart on dishonest gain,

Jude 1:11

Alas for them, for they follow Cain's path, they plunge into Balaam's error for gain, and they perish in rebelliousness like Korah's.

Revelation 2:14

Yet I hold it somewhat against you that you have among you some adherents of the teaching of Balaam, who taught Balak to entrap the children of Israel into eating meat that had been sacrificed to idols, and into immoral practices.

Revelation 19:20

And the animal was captured and with it the false prophet who performed wonders on its behalf by means of which he led astray those who had let the animal's mark be put on them and who worshiped its statue. Both of them were flung alive into the fiery lake of burning brimstone.

Treasury of Scripture Knowledge

Summary

Balaam also the son of Beor, the soothsayer, did the children of Israel slay with the sword among them that were slain by them.

Bible References

Balaam

2 Peter 2:15
They have left the straight path and gone astray. They have followed the path of Balaam, the son of Beor, who set his heart on dishonest gain,
Jude 1:11
Alas for them, for they follow Cain's path, they plunge into Balaam's error for gain, and they perish in rebelliousness like Korah's.
Revelation 2:14
Yet I hold it somewhat against you that you have among you some adherents of the teaching of Balaam, who taught Balak to entrap the children of Israel into eating meat that had been sacrificed to idols, and into immoral practices.
Revelation 19:20
And the animal was captured and with it the false prophet who performed wonders on its behalf by means of which he led astray those who had let the animal's mark be put on them and who worshiped its statue. Both of them were flung alive into the fiery lake of burning brimstone.