John 20:24

But Thomas, one of the twelve, who is called Didymus, was not with them when Jesus came.

John 11:16

Then Thomas, who is called Didymus, said to his fellow-disciples: Let us also go, that we may die with him.

Matthew 10:3

Philip and Bartholomew, Thomas, and Matthew the publican; James the son of Alphseus, and Lebbceus, who was surnamed Thaddaeus;

Matthew 18:20

For where there are two or three that have come together for my sake, there I am in the midst of them.

John 6:66-67

After this, many of his disciples went back, and walked with him no more.

John 14:5

Thomas said to him: Lord, we know not whither thou goest, and how can we know the way?

John 21:2

There were together, Simon Peter, and Thomas called Didymus, and Nathaniel of Cana of Galilee, and the sons of Zebedee, and two others of his disciples.

Hebrews 10:25

not forsaking the assembling of ourselves together, as is the custom of some; but exhorting one another, and so much the more, as you see the day approaching.

Treasury of Scripture Knowledge

Summary

But Thomas, one of the twelve, called Didymus, was not with them when Jesus came.

Bible References

Was

John 6:66
After this, many of his disciples went back, and walked with him no more.
Matthew 18:20
For where there are two or three that have come together for my sake, there I am in the midst of them.
Hebrews 10:25
not forsaking the assembling of ourselves together, as is the custom of some; but exhorting one another, and so much the more, as you see the day approaching.