Can there really be a King in the North? Secession, Self-Determination, and Game of Thrones

This Sunday we’ll see the final of Season 6 of Game of Thrones.
One of Sydney Law School’s international law students, Sam Murray, wrote a thoughtful piece for the Sydney Uni student newspaper, Honi Soit last year, about whether Robb Stark’s secession from Westeros was lawful under international law – have a read:
Sam was a member of the superstar team of students who won the Jessup Cup in 2015. Maybe Daenerys Targaryen should put him on retainer…