
I SWEAR it.
Game of Thrones Season 8, Episode 4

We would never
betray your confidence, I SWEAR it.
Game of Thrones Season 3, Episode 2

AELLE: I SWEAR
before God almighty,
Vikings Season 1, Episode 7

I SWEAR, m'lord. I don't know.
Game of Thrones Season 2, Episode 7

I SWEAR to you by all the seven gods.
Game of Thrones Season 5, Episode 7