 However, the late Henry III had promised the Swabian duchy to Berthold of Zähringen, who in turn had to be compensated with Carinthia upon Conrad's death in 1061.At the same time, while German forces interfered in the fratricidal struggle of King Andrew I and Béla I of Hungary, Agnes ceded the Duchy of Bavaria to Count Otto of Nordheim.He reached a settlement with Hungary by enforcing the coronation of Andrew's son Solomon but later became a bitter rival of her son Henry IV.