A Prime Minister may be in charge of one or both houses. With the aristocracy dominating the House of Lords, the Senate represents the common people. The Upper House is the House of Lords, which probably represents the interests of the aristocrats, while the Lower House is the Senate, and there are also State Legislatures from which Senators may be drawn. History Background Code Geass Areas Known Areasīritannia appears to be an absolute monarchy, meaning that the Royal Family holds most of all governmental power, though there is also a bicameral legislature in effect, at least in the Britannian Homeland.