 The dukedom of York therefore passed to his son, Richard Plantagenet.Through his mother, Richard Plantagenet also inherited the lands of the earldom of March, as well as the Mortimer claim to the throne.Despite his elevated status, Richard Plantagenet was denied a position in government by the advisers of the weak Henry VI, particularly John Beaufort, 1st Duke of Somerset, and the queen consort, Margaret of Anjou.