They've all SWORN to defend my father,
have they not?
Game of Thrones Season 1, Episode 8
I'm SWORN to protect you, to serve.
Game of Thrones Season 2, Episode 8
SWORN brother of the Night's Watch,
Game of Thrones Season 7, Episode 2
I've SWORN to serve the Lord of Riverrun
and obey his commands.
Game of Thrones Season 6, Episode 8
I'm performing my SWORN duty
as Hand of the King.
Game of Thrones Season 4, Episode 6