“ He rendered valuable assistance to the German king Otto, afterwards the emperor Otto the Great, and in 944 was made duke of Lorraine. In 947 he married Otto’s daughter Liutgarde (d. 953) , and afterwards took a prominent part in the struggle between Louis IV., king of France, and Hugh the Great, duke of Paris. He accompanied his father-in-law to Italy in 951, and when Otto returned to Germany in 952, Conrad remained behind as his representative, and signed a treaty with Berengar II., king of Italy, which brought about an estrangement between the German king and himself. ”