Conrad

I. German emperor 911-918.-II. Duke of Franc on i a, Emperor 1024-39, King of Italy 1026, and of Burgundy 1032.-III., 1093-1152; Emperor 1138; leader of the Second Crusade 1147-49.-IV., 1228-1254; son of Frederic II.; King of Rome 1237, Emperor 1250.-His son, CONRADIN, 1252-1268, the last Hohenstaufen, was defeated and executed in Italy.