'Of the Circumcision' in the Bible

And the faithful, of the circumcision, who had come with Peter, were amazed, - in that, upon the nations also, the free-gift of the Holy Spirit had been poured out;

And, when Peter came up unto Jerusalem, they of the circumcision began to find fault with him,

For, before that certain came from James, with them of the nations, used he to eat; whereas, when they came, he used to withdraw, and keep himself separate, fearing them of the circumcision;

And Jesus, he that is called Justus, - they being of the circumcision; these only, are my fellow-workers unto the kingdom of God, men who have been, unto me, a comfort.

For there are many unruly men, vain talkers and deceivers, especially they of the circumcision, -