Main assumptions / elements / features of patriarchal theory of origin of state are as under:
1. Unit of society in ancient times was family.
2. The custom of marriage was prevalent and was performed according to rituals of patriarchal families.
3. Head of the family used to be the man (father or grandfather) and patriarchal elements were men. Every member of the family had to follow the orders of father or grandfather, otherwise he was punished severely.
4. Genealogy was found only through men. Females had no inheritance in the family.
5. Broad and unlimited rights of the heads of patriarchal families were main source of political power.
6. Clans were developed from patriarchal families, tribes from clans, and state was developed from expansion of tribes. Blood relations and relationships played an important role in the expansion of families, clans and tribes.