1.   Because Richard usurped the throne, his retinue is inevitably seen as inimical to the crown and therefore in an important sense independent of royal authority.

2.   His throne was usurped, however.

3.   In both stories, the son overthrows an evil lion who has usurped the throne in his absence.

4.   Wielding glue guns, cheesecloth and tile cutters, these would-be Marthas have designs on usurping her throne.