Markus

 It looks like you’re diving into the history of the early Church! You are likely referring to the traditional belief that Mark the Evangelist was a disciple and the "interpreter" of Saint Peter (Petrus).

According to early Christian tradition (most notably from Papias of Hierapolis around 100 AD), the Gospel of Mark is essentially Peter’s eyewitness account written down by Mark.

The Connection: Peter and Mark

 * The Relationship: Peter affectionately refers to Mark as "my son" in his first epistle (1 Peter 5:13), suggesting a close spiritual bond.

 * The Gospel's Origin: Scholars often point out that the Gospel of Mark is fast-paced and focuses heavily on Peter’s perspective—including his failures—which supports the idea that Peter was the primary source.

 * The Setting: Most traditions place them together in Rome, where Mark reportedly wrote his Gospel to satisfy the request of the Roman Christians who wanted a permanent record of Peter's preaching.

Key Historical Figures

| Figure | Role | Connection |

|---|---|---|

| Peter (Petrus) | Apostle | The "Rock" and primary witness to Jesus' ministry. |

| Mark (Markus) | Evangelist | The author of the second Gospel; follower of both Paul and Peter. |

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Would you like me to find more details on the specific historical writings that describe their relationship, or perhaps compare Mark's Gospel to the others?