For any heathens like me, the history makes a lot more sense when you know that Simon and Peter are the same person. It chops and changes with no explanation.
The site provides the relevant information. In the "Story of the Basilica" the first section is "The Life of St. Peter" and it tells you why Simon came to be called Peter.
And there is Saul of Tarsus (unrelated) who first persecuted Christians and then converted and became the apostle Paul who was later beheaded by the Romans during Nero’s reign.
The site provides the relevant information. In the "Story of the Basilica" the first section is "The Life of St. Peter" and it tells you why Simon came to be called Peter.
https://virtual.basilicasanpietro.va/en/st-peter-history