Robin Greyjoy was the only son of Lord Quellon Greyjoy by his third wife.
Robin was the ninth son of Quellon, and the only one by his third wife. He was a sickly boy, and is remembered by Aeron Greyjoy, his elder brother, as "sickly idiot boy". He died young.
A Feast for Crows Edit
Aeron recalls all eight of his brothers, including Robin, after the death of another brother, Balon Greyjoy.