The Great Kesh was an Empire that contained also the lands ranging from the Endless Sea across the Grey Tower Mountains to the Bitter Sea. On one small island called Rillanon, a kingdom grew to engulf its neighboring island kingdoms, and it became the Kingdom of the Isles. Later it expanded again to the mainland. Nicholas conDoin, (youngest son of the King) brought the army westward to the province of Bosania, extending the Western Realm forming the Duchy of Crydee.