Conrad IV of Germany
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Conrad IV, Conrad of Hohenstaufen (April 25, 1228 Andria, Italy – May 21, 1254, Lavello), was king of Jerusalem (as Conrad II) 1228–1254, of Germany 1237–1254, and of Sicily (as Conrad I) 1250–1254. He was the son of Frederick II and Queen Yolande of Jerusalem. Conrad married Elisabeth of Bavaria who bore him a son, Conradin, in 1252.
Frederick II deposed his eldest son, Conrad's older brother Henry, and in his stead had Conrad elected King of the Romans, meaning King of Germany and presumed future Emperor of the Holy Roman Empire, in 1237, with Archbishop Siegfried II of Mainz acting as German regent until 1242, when Frederick chose Henry Raspe, Landgrave of Thuringia, and Wenceslaus I of Bohemia, to assume this function. However, when Pope Innocent IV imposed a papal ban on Frederick in 1245, Henry Raspe supported the pope who in turn arranged to have Raspe elected as counter-king of Germany on 22 May 1246. Raspe defeated Conrad in the battle of Nidda in August 1246, but died several months later.
When Frederick II died in 1250, he passed Sicily and Germany to Conrad, but the struggle with the pope continued. Conrad invaded Italy in 1251, but not with enough success to subdue the pope's supporters, and the pope in turn offered Sicily to Edmund Crouchback, son of Henry III of England (1253).
Conrad was excommunicated in 1254, but died of a fever in the same year, and it was left to his infant son Conradin, born in 1252 and beheaded at age 16 in 1268, to continue the struggle with the Papacy.
| Preceded by: Frederick II | King of Germany 1250–1254 | Succeeded by: William of Holland |
| King of Sicily 1250–1254 | Conradin | |
| Frederick and Yolande | King of Jerusalem 1228–1254 Template:Livedde:Konrad_IV._(HRR) ja:コンラート4世 pl:Konrad IV (cesarz niemiecki) zh:康拉德四世 (神聖羅馬帝國) |