I've demanded a meeting of the Thirteen.
One of them did this or knows who did.
Game of Thrones Season 2, Episode 7
It was given to me by the Thirteen.
Game of Thrones Season 2, Episode 4
You are one of the Thirteen.
Game of Thrones Season 2, Episode 7
Thirteen.
Vikings Season 1, Episode 3
But we are the Thirteen,
Game of Thrones Season 2, Episode 4