Cephas in the Bible

Then three years later I went up to Jerusalem to get acquainted with Cephas, but I spent only two weeks with him;

but on the contrary seeing that I was intrusted with the gospel of the uncircumcision, as Peter was of the circumcision,??8 for he that operated in Peter for the apostleship of the circumcision, operated also in me for the gentiles,??9 and knowing the grace given me, James and Cephas and John, who were manifest pillars, gave to me and Barnabas the right hand of fellowship that we should go to the gentiles and they to the circumcision;

and therefore when James, Cephas, and John, which seemed to be pillars, perceived the grace that was given unto me, they gave to me and Barnabas the righthands, and agreed with us that we should preach among the heathen, and they among the Jews:

Now when Cephas came to Antioch, I opposed him to his face, because he stood condemned.

But when I saw that they were not living up to the truth of the good news, I said to Cephas, and that before them all, "If you are living like a heathen and not like a Jew, although you are a Jew yourself, why do you try to make the heathen live like Jews?"