Patrilineal and Matrilineal families are classified with regard to which of the following rules ? 

Rules of Inheritance 

The line of descent can be matrilineal or patrilineal. This internal structure of the family is usually related to other structures of society, namely political, economic, cultural etc. With regard to the rules of inheritance, matrilineal societies pass on property from mother to daughter while patrilineal societies do so from father to son.