St Mark, whose full name was ‘John Mark’, was the writer of one of the four gospels. Nevertheless, unless he was the young man who fled from the Garden of Gethsemane (Mark 14:51), he’s not mentioned in any of them. From the other books of the New Testament, however, we learn that his mother’s name…
— Read on loandbeholdbible.com/2019/09/18/st-mark-the-evangelist-acts-1212-1315/