The country and royacy of Chalion-Ibra was formed by the marriage contract of Iselle dy Chalion and Bergon dy Ibra joining the countries of Chalion and Ibra, during the events of The Curse of Chalion. Bergon and Iselle each inherit their respective crowns at the death of the current royas. Bergon holds authority in Chalion as roya-consort, and Iselle holds authority in Ibra as royina-consort, reciprocally and equally. Their heir will hold the royacy of Chalion-Ibra as a single crown.