Mark 5:9

and he was questioning him, 'What is thy name?' and he answered, saying, 'Legion is my name, because we are many;'

Matthew 26:53

dost thou think that I am not able now to call upon my Father, and He will place beside me more than twelve legions of messengers?

Luke 8:30

And Jesus questioned him, saying, 'What is thy name?' and he said, 'Legion,' (because many demons were entered into him,)

Matthew 12:45

then doth it go, and take with itself seven other spirits more evil than itself, and having gone in they dwell there, and the last of that man doth become worse than the first; so shall it be also to this evil generation.'

Mark 5:15

and they come unto Jesus, and see the demoniac, sitting, and clothed, and right-minded -- him having had the legion -- and they were afraid;

Luke 11:21-26

'When the strong man armed may keep his hall, in peace are his goods;

Treasury of Scripture Knowledge

Summary

And he asked him, What is thy name? And he answered, saying, My name is Legion: for we are many.

General references

Bible References

What

Luke 8:30
And Jesus questioned him, saying, 'What is thy name?' and he said, 'Legion,' (because many demons were entered into him,)
Luke 11:21
'When the strong man armed may keep his hall, in peace are his goods;

General references

Acts 19:15
and the evil spirit, answering, said, 'Jesus I know, and Paul I am acquainted with; and ye -- who are ye?'