social classes The first of the social class was royalty, which was kings, queens, princes, and princesses. They had the complete power over the land and political and economic decisions. The second of the social class was nobility. after the royalty they had the most power of the social class. the third of the social class was hereditary nobility such as dukes and barons. the duke was to be the ruler of province. the baron was responsible first to the kind then to the people who lived on his manor. the fourth of the social class was the non-hereditary nobility such as knights, peasants, freeman, serfs, slaves, clergy, popes, bishops, priests, and monks. these are people who raised to power through non-familial means.