
Thirteen.
Vikings Season 1, Episode 3

You are one of the Thirteen.
Game of Thrones Season 2, Episode 7

But we are the Thirteen,
Game of Thrones Season 2, Episode 4

Thirteen. Do I have 14?
Game of Thrones Season 5, Episode 7

Pyat Pree is one of the Thirteen.
Game of Thrones Season 2, Episode 5