http://www.spock.com/Conrad-IV-of-Germany/newsConrad IV of Germany: Conrad IV (25 April, 1228 - 21 May, 1254) was king of Jerusalem (as Conrad II) (1228-1254), of Germany (1237-1254), and of Sicily (as Conrad I) (1250-1254). He was a son of the Hohenstaufen Emperor F...en-us