There were three royal families that ruled over the continent where Shimaron now resides. This period is now referred to as the "era of the three families rule" (三王家統治期)
Three Families
Gillespie(ギレスビー家)
Was defeated after a battle in Zomeruce (now known as Somers, at the eastern tip of Big Shimaron).[1]
Belal(ベラール家)
Defeted after a battle in Col Nilzon(コル・ニルゾン). The only survivor Page Belal was imprisoned on 北神橋海メイ島. 20 years later he was transferred to Big Shimaron and changed his name to Weller. There have been 5 generations since.[2]
Rahi(ラーヒ家)
ガルシオネGershione（現ガーションGershon）に蟄居、幽閉の後、二十四年後にVilmos Rahiフィルモス・ラーヒの死亡を確認、 血統断絶。[3]