I was SWORN to protect your family.
Game of Thrones Season 3, Episode 1
The men of the Night's Watch
are SWORN to play no part...
Game of Thrones Season 5, Episode 1
it is not only the SWORN duty of a maester
Game of Thrones Season 2, Episode 9
and SWORN to take revenge against you.
Game of Thrones Season 4, Episode 5
I'm performing my SWORN duty
as Hand of the King.
Game of Thrones Season 4, Episode 6