Which were in Christ:— That is, "believing in Christ." See Romans 16:7. What he takes such particular notice of here, does not tend to the proving that he was a true Apostle; but serves very well to shew, that in what he preached, he had no communication with those of his own nation, nor took any particular care to please the Jews in preference to the Gentiles.
Related Commentaries of Galatians 1:22
Galatians 1:22
22 And was unknown by face unto the churches of Judaea which were in Christ: