Colossians 4:11

these are the only persons, who, of the circumcision, have been my fellow-laborers in the kingdom of God, and who were a comfort to me.

Acts 11:2

And when Peter was come up to Jerusalem, those that were of the circumcision contended with him, saying,

Acts 10:45

And those of the circumcision that were believers, who came with Peter, were astonished, that the gift of the holy Spirit was conferred upon the Gentiles also:

Romans 4:12

and the father of circumcision to those, who not only are of the circumcision, but also walk in the steps of that faith of our father Abraham, which he had in uncircumcision.

1 Corinthians 3:5-9

Who then is Paul, and who is Apollos, but ministers by whose means ye embraced the faith, even as the Lord gave success to each of them?

2 Corinthians 6:1

And we co-operating with Him do also exhort you that ye receive not the grace of God in vain:

2 Corinthians 7:6-7

But God, who comforteth those that are brought low, comforted us by the coming of Titus:

Galatians 2:7-8

But on the contrary, seeing that I was intrusted with the gospel of uncircumcision, as Peter was with that of the circumcision;

Ephesians 2:11

Wherefore remember that ye were formerly Gentiles in the flesh, called uncircumcision by that which is called circumcision made by hands in the flesh;

Philippians 4:3

And I entreat thee likewise, my faithful collegue, to assist them, for they laboured with me in the gospel, and Clement also, and my other fellow-laborers, whose names are in the book of life.

Colossians 4:7

All things concerning me will Tychicus make known to you, who is a beloved brother, and faithful minister, and fellow-servant in the Lord:

1 Thessalonians 3:2

and sent Timothy our brother, and a minister of God, and our fellow-labourer in the gospel of Christ, to establish and exhort you concerning your faith;

1 Thessalonians 3:7

by this we were comforted in you, my brethren, under all our affliction and distress, because of your faith:

Titus 1:10

For there are many disorderly persons, vain-talkers and deceivers, especially those of the circumcision; whose mouths must be stopped:

Treasury of Scripture Knowledge

Summary

And Jesus, which is called Justus, who are of the circumcision. These only are my fellowworkers unto the kingdom of God, which have been a comfort unto me.

Bible References

Who

Acts 10:45
And those of the circumcision that were believers, who came with Peter, were astonished, that the gift of the holy Spirit was conferred upon the Gentiles also:
Acts 11:2
And when Peter was come up to Jerusalem, those that were of the circumcision contended with him, saying,
Romans 4:12
and the father of circumcision to those, who not only are of the circumcision, but also walk in the steps of that faith of our father Abraham, which he had in uncircumcision.
Galatians 2:7
But on the contrary, seeing that I was intrusted with the gospel of uncircumcision, as Peter was with that of the circumcision;
Ephesians 2:11
Wherefore remember that ye were formerly Gentiles in the flesh, called uncircumcision by that which is called circumcision made by hands in the flesh;
Titus 1:10
For there are many disorderly persons, vain-talkers and deceivers, especially those of the circumcision; whose mouths must be stopped:

Fellow-workers

Colossians 4:7
All things concerning me will Tychicus make known to you, who is a beloved brother, and faithful minister, and fellow-servant in the Lord:
1 Corinthians 3:5
Who then is Paul, and who is Apollos, but ministers by whose means ye embraced the faith, even as the Lord gave success to each of them?
2 Corinthians 6:1
And we co-operating with Him do also exhort you that ye receive not the grace of God in vain:
Philippians 4:3
And I entreat thee likewise, my faithful collegue, to assist them, for they laboured with me in the gospel, and Clement also, and my other fellow-laborers, whose names are in the book of life.
1 Thessalonians 3:2
and sent Timothy our brother, and a minister of God, and our fellow-labourer in the gospel of Christ, to establish and exhort you concerning your faith;
Philemon 1:1
Paul a prisoner of Christ Jesus, and Timothy a brother, to Philemon our beloved brother and fellow-laborer, and to the beloved Apphia,

A comfort

2 Corinthians 7:6
But God, who comforteth those that are brought low, comforted us by the coming of Titus:
1 Thessalonians 3:7
by this we were comforted in you, my brethren, under all our affliction and distress, because of your faith: