 Nevertheless, the Duchy of Bavaria remained loyal and Henry's opponents failed to assert themselves in Bavaria while the Bavarian nobles attended Henry's court throughout the empire.Despite the events of 1111 and the clashes in 1115, Berengar II of Sulzbach, Diepold III, Margrave of Vohburg, count Engelbert II of Spanheim as well as his brother Hartwig, Bishop of Regensburg and Hermann, Bishop of Augsburg proved to be loyal supporters of Henry V. These nobles received extraordinary treatment for their services.Engelbert II acquired the March of Istria and in 1124 the Duchy of Carinthia.