He DIED there?
That’s IT?
What did he DO there?
Elsie:
Assuming he is St. Peter, his dieing there was where he was Martyred and as a constant saying in the early Church, the bloods of martyrs are the seeds of faith. He built up the Church and strengthed the Roman Church in the times of persecution, as did St. Paul.
There is a constant 2nd century testimony that ST. Mark’s Gospel, Mark being indentified by St. Peter in the First Epistle of Peter in Chapter 5, was the scribe/co-worker of St. Peter and that Mark’s Gospel is St. Peter’s preaching to the Church of Rome. St. Papias, writing around 120, contemporay of St. Polycarp, who was a pupil of St. John th Apostle, states that Mark heard Peter’s preaching and some time later, recorded it accurately in his Gospel.
The point has been debated over and over again, but 1 Peter 5:13-14 is a strong indication that Mark [Marcus probably in Roman-Latin] was someone who was more of Hellenistic Jew, i.e. very conversant in Greek, perhaps Latin. That Mark was in Rome there is no doubt as St. Paul states that in His Letter to the Colossians. It is also clear that Mark was close to St. Peter as well [cf. First Letter of St. Peter].
The 2nd Century testimony of St. Papias is where we get the statement that St. Mark wrote his Gospel based on St. Peter’s preaching [circa 120AD]. Later 2nd century writings from St. Clement of Alexandria, which is where St. Mark ended his life, and it was St. Clement of Alexandria who wrote that Mark wrote his Gospel, not in the East [i.e. Alexandria, for example] but while he was in Rome with St. Peter.
So I am not sure what you are asking as your question is cryptic but there is my answer.
Cheers