Queen Yara Greyjoy is an ironborn, Theon Greyjoy's older sister and his only surviving sibling. She was raised at Pyke, the stronghold of House Greyjoy. Yara is a fierce warrior and commands her own longship. She is currently a claimant to the throne of the Kingdom of the Iron Islands and an ally of Daenerys Targaryen.
Yara is captain of her own longship, the Black Wind.
(source GOT wiki)