Dís is a Tolkien character mentioned in The Hobbit.
History[]
Dís was the daughter of Thráin II, granddaughter of Thrór and younger sister of Thorin Oakenshield and Frerin. She was ten years old when Smaug attacked Erebor, causing her to go into exile. She eventually gave birth to Fíli and Kíli.
She is the only female dwarf named due to her sons' valiant deaths in battle.
Mention in The Hobbit trilogy[]
The Hobbit: The Desolation of Smaug,[]
Dís is mentioned by Kíli after he has been captured by Wood-elves, and is being kept prisoner in a cell. He talks about her to Tauriel, one of the elves, and explains that a dwarf-runed talisman he was holding is meant to remind him of the promise he made to his mother to return.
The Hobbit: The Battle of the Five Armies[]
When Fíli, Kíli, Oin and Bofur arrive in Erebor following Smaug's demise, Thorin welcomes Fíli and Kíli as his sister-sons.