Frederick II (December 26, 1194 – December 13, 1250), of the Hohenstaufen dynasty, was a pretender to the title of King of the Romans from 1212 and unopposed holder of that monarchy from 1215. As such, he was King of Germany, of Italy, and of Burgundy. He was also King of Sicily from his mother's inheritance. He was Holy Roman Emperor (Emperor of the Romans) from his papal coronation in 1220 until his death. His original title was King of Sicily, which he held as Frederick I from 1198 to his death. His other royal titles, accrued for a brief period of his life, were King of Cyprus and Jerusalem by virtue of marriage and his connection with the Sixth Crusade.

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• Holy Roman Emperor; King of Italy Reign 1220–1250 Coronation 22 November 1220 (Rome)

Predecessor: Otto IV Successor: Henry VII

• King of Germany (formally King of the Romans) Reign 1212–1220 Coronation 9 December 1212 (Mainz) 25 July 1215 (Aachen)

Predecessor: Otto IV Successor: Henry (VII)

• King of Sicily Reign 1198–1250 Coronation 3 September 1198 (Palermo)

Predecessor : Henry VI Successor: Conrad I

• King of Jerusalem: Reign 1225–1228 Coronation 18 March 1229 (Jerusalem)

Predecessor: Yolande Successor: Conrad II

-------------------- http://en.wikipedia.org/wiki/Frederick_II,_Holy_Roman_Emperor