Since out of D'Hara, Caerwyn, Barca, Terran, Aurvandil, Madina, and Grand Duchy of Fissoa, that solution only appears to please Madina, I doubt it'll happen. Considering how poorly Madina is doing by living peacefully, I can't imagine how long it would survive the ire of the others.
They won't, unless... There is a power bloc out there that isn't among the realms named. Just saying.
