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
History of Sicily mainland part (still known as the Kingdom of Sicily as well). The ensuing War of the Sicilian Vespers lasted until the peace of Caltabellotta in 1302, although it was to continue on and off for a period of 90 years. With two kings both claiming to be the King of Sicily, the separate island kingdom became known as the Kingdom of Trinacria. It is this very split that ultimately led to the creation of the Kingdom of the Two Sicilies some 500 years on. "See also: " Peter III's son, Frederick III of Sicily (also known as Frederick II of