Margaret of Sicily, Countess Palatine of the Rhine Margaret of Sicily, Countess Palatine of the Rhine Margaret of Sicily or Margherita di Sicilia-Aragona (Palermo, 1331 – Neustadt, 1377) was a Sicilian princess, daughter of the King Frederick III of Sicily and his wife Eleanor of Anjou. In 1348 she married Rudolf II, Count Palatine of the Rhine, and was Countess Palatine of the Rhine until 1353, year of the husband's death. Margaret was the youngest daughter of King Frederick II of Sicily-Aragon (1272-1337) and his wife Eleanore, daughter of Charles II of Anjou. Her parents resided in Palermo, where she presumably was born. In 1348 Margaret married the
Kingdom of Sicily Vespers, threw off Charles of Anjou's rule of the island of Sicily. The Angevins managed to maintain control in the mainland part of the kingdom, which became a separate entity also styled "Kingdom of Sicily", although it is commonly referred to as the Kingdom of Naples, after its capital. The island became a separate kingdom under the Crown of Aragon. After 1302 the island kingdom was sometimes called the Kingdom of Trinacria. Often the kingship was vested in another monarch such as the King of Aragon, the King of Spain, or the Holy Roman Emperor. In 1816 the island Kingdom