Game of Thrones Season 6 Episode 06 Blood of My Blood
Sam bids farewell to Gilly, but then changes his mind and decides to bring her and Little Sam with him to the Citadel. As they leave, Sam takes House Tarly’s ancestral Valyrian steel sword Heartsbane as well.
SAM: We’re leaving.
SAM: Get your things.
GILLY: I don’t have any things. What are you doing?
SAM: We belong together. All of us.
GILLY: Sam. That’s your father’s sword.
SAM: It’s my family’s sword.
GILLY: Sam. Won’t he come for it?
SAM: He can bloody well try.
Source text: Wikipedia.