 Complete the following phrase:  His career is interesting for several reasons. The charters he received from King Stephen and Empress Matilda illustrate the ambitions of English barons. The most important concessions are grants of offices and jurisdictions, which had the effect of making Mandeville almost a viceroy with full powers in Essex and Hertfordshire, Middlesex and London, but these were based on offices and jurisdictions his ancestors had held. His career as an outlaw exemplifies the worst excesses of the 