I'm not gonna swear an OATH
I can't uphold.
Game of Thrones Season 7, Episode 7
I broke a sacred OATH
and stabbed my King in the back.
Game of Thrones Season 6, Episode 2
I'm a Kingsguard, forbidden by
OATH to carry on the family line.
Game of Thrones Season 4, Episode 6
I know I broke my OATH.
Game of Thrones Season 1, Episode 1
I am. You fulfilled your OATH to
Catelyn Stark against all odds.
Game of Thrones Season 6, Episode 8