John 20:24

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

John 11:16

Then Thomas (he being called Twin) 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 tax-collector; James the son of Alpheus, and Lebbeus, whose surname was Thaddeus;

Matthew 18:20

For where two or three are gathered together in My name, there I am in their midst.

John 6:66-67

From this time many of His disciples went back into the things behind, and walked no more with Him.

John 14:5

Thomas said to Him, Lord, we do not know where You go, and how can we know the way?

John 21:2

Simon Peter, and Thomas called the Twin, and Nathanael from Cana in Galilee, and the sons of Zebedee, and two others of His disciples were together.

Hebrews 10:25

not forsaking the assembling of ourselves together, as the manner of some is, 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
From this time many of His disciples went back into the things behind, and walked no more with Him.
Matthew 18:20
For where two or three are gathered together in My name, there I am in their midst.
Hebrews 10:25
not forsaking the assembling of ourselves together, as the manner of some is, but exhorting one another, and so much the more as you see the Day approaching.