Massallah pertaining to disposing of ones fathers inheritance

Muftisaab – As salaamu alikum,
please advise how will our fathers property be shared between 6 brothers and 2 sisters our mother has also passed away.
one of our brother
passed away 2 weeks back what happens with his share he has a wife, 2 boys and a girl.
there are a lot of different calculations being put up, please guide me the the right shariat way.
jazakallah.