This research deals with the classes of Roman society and their role in the royal era, and from whom the classes of society were formed, as the family was the cornerstone for building this community, the researcher will try to show the following: the noble class and its role in the royal era, as well as the puplic0 class and its role in the royal era, as well as the details of each class and the population groups it included, and how was its life, customs, traditions and worship