 The year after Otterburn a truce was called between Scotland and England.Nithsdale on a knightly quest for glory decided, about 1389, to join the Teutonic Knights, who were fighting the Lithuanians in Baltic region.Nithsdale had previously quarrelled with Lord Clifford, a former adversary at Carlisle and whose forebear had claimed Douglasdale under Edward I of England's oppression.