Question: Who led Jesus' baptism in the Gospel of Mark?
Sentence (from "John the Baptist"): John the Baptist (Ancient Greek: Ἰωάννης ὁ βαπτιστής , "Ioánnes (h)o baptistés" or Ἰωάννης ὁ βαπτίζων, "Ioánnes (h)o baptízon", known as the Prophet Yahya in the Quran), also known as John the Baptizer, was a Jewish itinerant preacher in the early first century AD.
Relevant evidence: Yes