Constance, Queen of Sicily. Constance I ( Italian: Costanza; 2 November 1154  – 27 November 1198) was reigning Queen of Sicily from 1194–98, jointly with her spouse from 1194 to 1197, and with her infant son Frederick II, Holy Roman Emperor, in 1198, as the heiress of the Norman kings of Sicily.
Constance (born 1154—died Nov. 27, 1198, Palermo) queen of Sicily (1194–98) and Holy Roman empress-consort (1191–97), whose marriage to a Hohenstaufen gave that German dynasty a claim to the throne of Sicily and whose political skill preserved the throne for her son.
Constance of Aragon (Catalan: Constança d'Aragó; 1343 – 2/18 July 1363), was the first Queen consort of Frederick III the Simple. She was an infanta of Aragon , the eldest child of Peter IV of Aragon  and his first wife Maria of Navarre . 
Constance of Sicily, Queen of Aragon. Constance II of Sicily ( c. 1249 – 9 April 1302) was queen consort of Aragon as the wife of Peter III of Aragon and a pretender to the Kingdom of Sicily from 1268 to 1285.  She was the only daughter of Manfred of Sicily and his first wife, Beatrice of Savoy.
Constance of Sicily (1154 – November 27, 1198) was the heiress of the Norman kings of Sicily and the wife of Henry VI, Holy Roman Emperor. She was Queen of Sicily 1194-1198, jointly with her husband from 1194-1197, and with her infant son Frederick II, Holy Roman Emperor in 1198.
Constance was a 12th century Queen of Sicily who understood what many leaders today do not: individual interests are secondary to community interests; public wellbeing must take precedence...
Constance of Sicily (1154–1198)Holy Roman empress and queen of Sicily. Name variations: Constance d'Altavilla; Constance of Germany; (German) Konstanz. Born in 1154 in Sicily; died on November 27, 1198, in Germany; daughter of Roger II the Great, king of Sicily (r. 1103–1154), duke of Apulia (r.
She never knew her father as he had died in February 1154, before she was born. Her half-brother William succeeded their father as King of Sicily. Constance married Henry VI in 1186 and became the future Empress of the Holy Roman Empire. It seemed unlikely that she would succeed as Queen of Sicily.
Constance I ( Italian: Costanza; 2 November 1154  – 27 November 1198) was reigning Queen of Sicily from 1194 – 98, jointly with her spouse from 1194 to 1197, and with her infant son Frederick II, Holy Roman Emperor, in 1198, as the heiress of the Norman kings of Sicily.
Constance of Sicily (d. 1302) Queen of Aragon. Died in 1302; daughter of Manfred, king of Naples and Sicily (r. 1258–1266, illegitimate son of Frederick II, Holy Roman emperor) and Beatrice of Savoy; married Pedro III also known as Peter III, king of Aragon (r. 1276–1285), in 1262; children: Alphonso III (1265–1291), king of Aragon (r ...