John 20:24

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

John 11:16

therefore said Thomas, who is called Didymus, to the fellow-disciples, 'We may go -- we also, that we may die with him,'

Matthew 10:3

Philip, and Bartholomew; Thomas, and Matthew the tax-gatherer; James of Alpheus, and Lebbeus who was surnamed Thaddeus;

Matthew 18:20

for where there are two or three gathered together -- to my name, there am I in the midst of them.'

John 6:66-67

From this time many of his disciples went away backward, and were no more walking with him,

John 14:5

Thomas saith to him, 'Sir, we have not known whither thou goest away, and how are we able to know the way?'

John 21:2

There were together Simon Peter, and Thomas who is called Didymus, and Nathanael from 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 a custom of certain is, but exhorting, and so much the more as ye see the day coming nigh.

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 away backward, and were no more walking with him,
Matthew 18:20
for where there are two or three gathered together -- to my name, there am I in the midst of them.'
Hebrews 10:25
not forsaking the assembling of ourselves together, as a custom of certain is, but exhorting, and so much the more as ye see the day coming nigh.