Roger of Sicily may refer to:
The 12th century is the period from 1101 to 1200 in accordance with the Julian calendar. In the history of European culture, this period is considered part of the High Middle Ages and overlaps with what is often called the "'Golden Age' of the Cistercians". The Golden Age of Islam experienced significant development, particularly in Islamic Spain.
Year 1154 (MCLIV) was a common year starting on Friday of the Julian calendar.
Year 1086 (MLXXXVI) was a common year starting on Thursday of the Julian calendar.
Roger II or Roger the Great was King of Sicily and Africa, son of Roger I of Sicily and successor to his brother Simon. He began his rule as Count of Sicily in 1105, became Duke of Apulia and Calabria in 1127, then King of Sicily in 1130 and King of Africa in 1148.
Roger I, nicknamed "Roger Bosso" and "Grand Count Roger", was a Norman nobleman who became the first Grand Count of Sicily from 1071 to 1101.

William I, called the Bad or the Wicked, was the second king of Sicily, ruling from his father's death in 1154 to his own in 1166. He was the fourth son of Roger II and Elvira of Castile.
Roger III, of the House of Hauteville, was the eldest son and heir of King Tancred of Sicily and Queen Sibylla. He was made Duke of Apulia, probably in 1189, shortly after his father's accession. In the summer of 1192 he was crowned co-king with his father. Follari were minted at Messina bearing both Tancred's and Roger's names as kings.
Roger is a masculine given name, and a surname. The given name is derived from the Old French personal names Roger and Rogier. These names are of Germanic origin, derived from the elements hrōd, χrōþi and gār, gēr (Hrōþigēraz). The name was introduced into England by the Normans. In Normandy, the Frankish name had been reinforced by the Old Norse cognate Hróðgeirr. The name introduced into England replaced the Old English cognate Hroðgar. Roger became a very common given name during the Middle Ages. A variant form of the given name Roger that is closer to the name's origin is Rodger.
The Principality of Taranto was a state in southern Italy created in 1088 for Bohemond I, eldest son of Robert Guiscard, as part of the peace between him and his younger brother Roger Borsa after a dispute over the succession to the Duchy of Apulia.
The Principality of Antioch mirrored the Latin Kingdom of Jerusalem in its selection of great offices: constable, marshal, seneschal, chamberlain, butler, chancellor and at certain times also bailiff.
Robert II was the count of Aversa and the prince of Capua from 1127 until his death.
Irene Angelina was a Byzantine princess and member of the Angelos dynasty and by her two marriages Queen of Sicily in 1193 and Queen of Germany from 1198 to 1208.
The Nuzhat al-mushtāq fī ikhtirāq al-āfāq, commonly known in the West as the Tabula Rogeriana, is an atlas commissioned by the Norman King Roger II in 1138 and completed by the Arab geographer Muhammad al-Idrisi in 1154. The atlas compiles 70 maps of the known world with associated descriptions and commentary of each specific location by Al-Idrisi.
Roger III may refer to:
The County of Apulia and Calabria, later the Duchy of Apulia and Calabria, was a Norman state founded by William of Hauteville in 1043, composed of the territories of Gargano, Capitanata, Apulia, Vulture, and most of Campania. It became a duchy when Robert Guiscard was raised to the rank of duke by Pope Nicholas II in 1059.
The Kingdom of Africa was an extension of the frontier zone of the Kingdom of Sicily in the former Roman province of Africa, corresponding to Tunisia and parts of Algeria and Libya today. The main primary sources for the kingdom are Arabic (Muslim); the Latin (Christian) sources are scanter.
Henry II may refer to:
Richard was the Italo-Norman count of Rupecanina.