Types and forms of the family

On the basis of marriage: Family has been classified into three major types:

Polygamous or polygynous family
Polyandrous family
Monogamous family
On the basis of the nature of residence family can be classified into three main forms.

Family of matrilocal residence
Family of patrilocal residence
Family of changing residence
On the basis of ancestry or descent family can be classified into two main types

Matrilineal family
Patrilineal family
On the basis of size or structure and the depth of generations family can be classified into two main types.

Nuclear or the single unit family
Joint family
On the basis of the nature of relations among the family members the family can be classified into two main types.

The conjugal family which consists of adult members among there exists sex relationship.
Consanguine family which consists of members among whom there exists blood relationship- brother and sister, father and son etc.