 A common theme in Humphrey de Bohun 's actions was his fierce protection of what he regarded as his feudal privileges . His career was marked by turbulence and political strife , particularly in the Marches of Wales , but eventually he left a legacy of consolidated possessions there . In 1297 , at the height of the conflict between Edward I and rebellious barons , the king had actively tried to undermine Hereford 's authority in the Marches , but failed due to the good relations the earl enjoyed with the local men . 
