Robin Arryn

Robert Arryn is a character in Game of Thrones. He has not been cast yet but is expected to first appear in the first season.

Robert Arryn is the only surviving child and heir of Lord Jon Arryn by his third wife, Lysa of House Tully.

In the books
In the Song of Ice and Fire novels Robert is six years old when the events of the books begin. He is a soft, spoiled child but also sickly, suffering from occasional fits. His mother dotes on him a great deal. Robert Arryn is named for King Robert Baratheon.