She died and left behind a brother and two sisters
Question

                What are the shares of inheritance with regard to a sister who died and did not have any children? The siblings of the deceased are one brother, two sisters and one sister who predeceased her.
Praise be to Allah.
    If this sister did not have any other heirs, and she did not 
    have a husband or father or mother or grandfather, then her entire estate is 
    to be divided among her living siblings, with the male getting a share equal 
    to that of two females. So the brother gets half and each sister gets one 
    quarter. Nothing goes to the deceased sister because one of the conditions 
    of inheritance is that the heir should be alive after the person dies. 

    Allaah says concerning the inheritance of siblings 
    (interpretation of the meaning):

    “if there are brothers and sisters, the male will have 
    twice the share of the female. (Thus) does Allaah make clear to you (His 
    Law) lest you go astray. And Allaah is the All-Knower of everything”

    [al-Nisa’ 4:176]

    And Allaah knows best.