 The right of a German court to try an Italian bishop was considered very controversial.The problem culminated in the Investiture Controversy that overshadowed the reigns of Henry's son and grandson.Henry moved on to Saxony and held imperial courts at Quedlinburg, Merseburg (in June) and Meissen, where he appointed his daughter Beatrice abbess and ended the strife between Siemomysł, Duke of Pomerania and Casimir of Poland.