A cause that prevents inheritance: There are three situations where this type of exclusion might apply, as we have noted: being a slave, killing the deceased and following a religion other than Islam.

Exclusion of personnel: The most common form of exclusion, which works in two ways: a) Total exclusion, which means that the heir is disqualified and receives nothing. It may apply to any heir except six: father, mother, husband, wife, son and daughter; b) Partial exclusion, which means reducing the heir’s share.