1268 Death Konradijn Hohenstaufen, son of Koenraad IV, beheaded in Naples 1261 Death Koenraad van Hochstaden, archbishop of Cologne, dies 1254 Death Koenraad IV, RC-German king (1237-54), dies at 26 1228 Birthday Koenraad IV, Roman Catholic German king, 1237-54 1147 Event Battle at Doryleum: Arabs beat Koenraad III's crusaders 1138 Event German king Koenraad II von Hohenstaufen crowned 1087 Event German emperor Henry IV crowns his son Koenraad 1037 Event German emperor Koenraad II removes "Constitutio the Feudis" 1032 Event Koenraad II succeeds Rudolf III as king of Bourgundy 1026 Event Koenraad II crowns himself king of Italy 1024 Event Duke Koenraad II chosen German king 918 Death Koenraad I, German duke/king (911-18), dies at 42 911 Event Duke Koenraad I chosen German king