'Of the Circumcision' in the Bible

So He let him alone. At that time she said, “You are a bridegroom of blood”—because of the circumcision.

and the father of circumcision to those who not only are of the circumcision, but who also follow in the steps of the faith of our father Abraham which he had while uncircumcised.

For prior to the coming of certain men from James, he used to eat with the Gentiles; but when they came, he began to withdraw and hold himself aloof, fearing the party of the circumcision.

For there are many rebellious men, empty talkers and deceivers, especially those of the circumcision,