John
: a son of Zebedee; younger brother of James; the beloved disciple of Christ,a relative of Annas the high priest,a son of Mary the sister of Barnabas, and surnamed Mark,the father of Simon Peter
Hades
: the place of departed spirits (NIV notes); the unseen world (YC)
Peter
: a man who was a leader among the twelve apostles and wrote the two epistles of Peter
