Mark 5:9

And he asked him: "What is your name?" "My name," he said, "is Legion, for there are many of us;"

Matthew 26:53

Do you think that I cannot ask my Father for help, when he would at once send to my aid more than twelve legions of angels?

Luke 8:30

"What is your name?" Jesus asked. "Legion," he answered (for many demons had taken possession of him);

Matthew 12:45

Then it goes and brings with it seven other spirits more wicked than itself, and they go in, and make their home there; and the last state of that man proves to be worse than the first. So, too, will it be with this wicked generation."

Mark 5:15

When they came to Jesus, they found the possessed man sitting there, clothed and in his right mind--the very man who had had the 'Legion' in him--and they were awe-struck.

Luke 11:21-26

When a strong man is keeping guard, fully armed, over his own mansion, his property is in safety;

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
"What is your name?" Jesus asked. "Legion," he answered (for many demons had taken possession of him);
Luke 11:21
When a strong man is keeping guard, fully armed, over his own mansion, his property is in safety;

General references

Acts 19:15
But the wicked spirit answered them: "Jesus I acknowledge, and Paul I know, but you--who are you?"