
I broke a sacred OATH
and stabbed my King in the back.
Game of Thrones Season 6, Episode 2

Would you have kept your OATH then?
Game of Thrones Season 3, Episode 5

I'm bound by OATH to serve you.
Game of Thrones Season 2, Episode 10

For 8,000 years
the Night's Watch have sworn an OATH
Game of Thrones Season 5, Episode 5

because he'd sworn an OATH
to your mother.
Game of Thrones Season 8, Episode 2