
Any OATH that you swear
on these rings must be honored and kept.
Vikings Season 1, Episode 1

You swore the king an OATH, my lord.
Game of Thrones Season 1, Episode 1

I swore an OATH to House Tyrell.
Game of Thrones Season 7, Episode 2

You swore an OATH to me.
Game of Thrones Season 1, Episode 6

for your violation of your sacred OATH
to marry one of his daughters.
Game of Thrones Season 3, Episode 6