Article 385 of Jaafari Personal Status Law

The grounds of inheritance are of two types: The first type: kinship by blood, which is connection to the deceased by birth in a lawful manner, or its equivalent, such as the marriage of non-Muslims. Its ranks are three, namely: 1 The class of parents and children, however far descending. 2 The class of grandfathers and grandmothers, however far ascending, and brothers and sisters and their children, however far descending. 3 The class of paternal uncles and aunts and maternal uncles and aunts, however far ascending, and their children in the absence of paternal and maternal uncles. The second type of grounds of inheritance: legal relationship, which is connection by reason of marriage. Chapter Four: Provisions on Impediments to Inheritance The first impediment to inheritance itself: unbelief in its various forms