5 ff., where he seems to quote the language of Palestinian tradition, in saying that Christ "appeared to Cephas; then to the Twelve; then.
27, that he was at the time known as " Levi the son of Alphaeus " (compare Simon Cephas, Joseph Barnabas) :: if so, " James the son of Alphaeus " may have been his brother.
(e) " Cephas" is found.
It appears that the apostle had two names, each existing in a double form - Greek and Hebrew, Symeon (iivr,w) which was Graecized according to the sound into Simon, and Cephas (s;') which was Graecized according to the meaning into Peter (Mrpos).
Symeon and Simon are both well-known names in Aramaic and Greek respectively, but Cephas and Peter are previously unknown.