Frederick II, Holy Roman Emperor
26 December 1194 - 13 December 1250
House: Hohenstaufen, Hauteville
Titles: Holy Roman Emperor, King of Germany, King of Italy, King of Sicily, King of Jerusalem
Other details
Death: Died at age 55 from dysentery, dressed as a Cistercian monk, and was buried in the Cathedral of Palermo.
Reign: 30 years and 17 days
Children: At least 9, including illegitimate.
Marriages: Married to Constance of Aragon, Isabella II of Jerusalem, Isabella of England, and Bianca Lancia.
Parents: Son of Henry VI, Holy Roman Emperor, and Constance, Queen of Sicily.
Sources
Compiled from various 3rd hand sources