A monarchical system governed the planet of E'ronoh throughout the High Republic Era. In the year 382 BBY, the royal family of this monarchy was under the leadership of Monarch A'lbaran, whose daughter, Princess Xiri A'lbaran, was the designated successor to the throne. Subsequently, the Pantoran individual named Cassel assumed control of the monarchy, acting as the planet's sovereign until their death during a kidnapping crisis that occurred in 257 BBY.