original: in medieval england , the territories of lancashire and cornwall were made duchies , with certain powers accruing to their dukes .
simplifications: in medieval england , the territories of lancashire and cornwall were made duchies , with certain powers given to their dukes . lancashire and cornwall became duchies with powerful dukes in medieval england . lancashire and cornwall in medieval england were made duchies led by their dukes in medieval england , the areas of lancashire and cornwall were made duchies , with certain powers going to their dukes . in medieval england the territories of lancashire and cornwall were made duchies with powers accruing to their dukes . in medieval times in england , the groups from lancashire and coenwall made territories for themselves , giving certain kinds of power to the rulers . in medieval engalnd , the regions of lancashire and cornwall were made duchies , with some powers given to their dukes . lancashire and cornwall were made duchies in medieval englamd giving certain powers to their dukes .