In england, the knights and burgesses met together, forming the basis for the house of commons. how would other groups of people form to be the other part of parliament?
originally meeting as a large group, when the house of commons was instated, all nobles and nepresentatives formed the duchy.
originally meeting as a large group, as the house of commons was instated, the clergy and nobles became the house of lords.
originally meeting as a large group, once the house of commons was instated, the doge and lords formed the house of nobility.
originally meeting as a large group, once the house of commons was instated, all representatives and nobles formed the doge.