1 Peter 5:13
Your sister [church] here in Babylon, [also] chosen [by God], as you have been, sends her greetings along with my [spiritual] son Mark.
Acts 12:12
After thinking about the matter [for awhile], he decided to go to the house of Mary, mother of John Mark, where a large gathering [of Christians] was praying.
Acts 12:25
Barnabas and Saul returned [to Antioch] from Jerusalem after they had fulfilled their mission [i.e., of taking the contribution for the famine-stricken people of Judea. See 11:27-30]. They took John Mark [back to Antioch with them].
2 John 1:13
The children [i.e., members] of your chosen sister [church] send you their greetings. [See verse 1].
Revelation 17:5
And on her forehead was written a mysterious [name], "The great Babylon, the mother of the prostitutes and the disgusting things of the earth."
Revelation 18:2
And he called out with a loud voice, saying, "Fallen! The great Babylon has fallen, and has become a place where demons live, and a haunt for every evil spirit and every filthy and obnoxious bird {{Some ancient manuscripts add "and every filthy and obnoxious animal"}}.