County of Sicily was created by Robert Guiscard in 1071 for his younger brother Roger Bosso. Guiscard himself had received the title Duke of Sicily ("dux Siciliae") in 1059 from Pope Nicholas II as encouragement to conquer it from the Muslims. In 1061 the first permanent Norman conquest (Messina) was made and in 1071, after the fall of Palermo, the capital of the emirate and future capital of the county, Guiscard invested Roger with the title of count and gave him full jurisdiction in the island save for half the city of Palermo, Messina, and the Val Demone, which he retained for himself.
History of the Jews in Sicily of the Catholic Church. The Norman Kingdom of Sicily lasted until 1194, when it fell to the Hohenstaufens. In 1210, the Jews of Sicily faced such persecution from the Crusaders that Holy Roman Emperor Frederick II had to intervene on their behalf. Frederick also employed Jews from Sicily at his court to translate Greek and Arabic works.. Persecution of the Jews continued. But, despite persecution, Sicilian Jews continued to thrive. Some Sicilian rabbis communicated with Maimonides posing religious questions. Systematic persecution of the Jews in Sicily started in the 14th century. In 1310 the King of Sicily Frederick II of