Matthew 18:16
But if he does not hear you, take with you one or two more, that by the mouth of two or three witnesses every word may be established;
2 Corinthians 13:1
This third time I am coming to you; by the mouth of two or three witnesses shall every word be established.
John 8:17
And it is written also in your law, that the testimony of two men is true;
1 Timothy 5:19
Against an elder receive not an accusation, except by two or three witnesses.
Hebrews 10:28
Any one who despised the law of Moses died without mercy by two or three witnesses;
Matthew 26:60-61
and did not find it, though many false witnesses came forward. But afterwards, two coming forward
Revelation 11:3-7
And I will give charge to my two witnesses, and they shall prophesy twelve hundred and sixty days [three years and a half] clothed with sackcloth.