The precursor to the English parliamentary system was a council of advisors to the King, consisting of noblemen and members of the aristocracy, and Knights of the Shire. This council evolved into the Model Parliament of 1295 which also consisted of representatives from the boroughs (burgesses) and had legislative powers. Two Knights of the Shire were sent from each county. In the reign of Edward III parliament split into its current day format of two houses—the House of Commons and the House of Lords. The Knights of the Shire, as well as representatives from the boroughs formed the former House. From then until the Great Reform Act of 1832, each county continued to send two Knights (apart from Yorkshire, which had its number of Knights increased to four in 1826). How these knights were chosen varied from one county to the next and evolved over time. The 1832 Act increased the number of Knights sent by some populous counties to as many as six.
Seymour, discussing the original county franchise, suggested "it is probable that all free inhabitant householders voted and that the parliamentary qualification was, like that which compelled attendance in the county court, merely a "resiance" or residence qualification".
Seymour goes on to explain why Parliament decided to legislate about the county franchise. "The Act of 1430, after declaring that elections had been crowded by many persons of low estate, and that confusion had thereby resulted, accordingly enacted that the suffrage should be limited to persons qualified by a freehold of 40s".
The Parliament of England legislated the new uniform county franchise, in the statute 8 Hen. 6, c. 7. However the Chronological Table of the Statutes does not mention such a 1430 law, as it was included in the Consolidated Statutes as a recital in the Electors of Knights of the Shire Act 1432 (10 Hen. 6, c. 2), which amended and re-enacted the 1430 law to make clear that the resident of a county had to have a forty shilling freehold in that county to be a voter there. Over the course of time a great number of different types of property were accepted as being forty shilling freeholds and the residence requirement disappeared.