‏ John 1:40-42

40 aOne of the two who heard John speak and followed Jesus
Greek him
was Andrew, Simon Peter’s brother.
41He first found his own brother Simon and said to him, “We have found cthe Messiah” (which means Christ). 42He brought him to Jesus. Jesus looked at him and said, You are Simon the son of dJohn. You shall be called eCephas (which means fPeter).
 Cephas and  Peter are from the word for rock in Aramaic and Greek, respectively

Copyright information for ESV