
I SWEAR on my life.
Game of Thrones Season 4, Episode 7

Your boy is in no immediate danger,
this I SWEAR to you.
Game of Thrones Season 6, Episode 3

I SWEAR it, as you command.
Game of Thrones Season 2, Episode 4

I SWEAR it by the Salt Throne.
Game of Thrones Season 6, Episode 2

-Swear it to me.
-Yes.
Money Heist Season 3, Episode 8