Wife's share in the property of my family and her proportion in it

hindu family.Wife wishes to share in the property of her late father in bail parao,distt.nainital,who died in 2013.Mother also expired recently who was given 3 acres of land by father of my wife.My wife has 2 brothers and 5 sisters.There is about 15 acre total land including 12 acres of grand father,and one house of her father and another house of grand father having 3 rooms , kitchen and bath,etc.Her father'house has 5 rooms,bath,kitchen and big verandah and animals house,attached courtyard,mango garden,leechi garden,etc.Can my wife get a share in my father's,mother's and grand father's property and how bmuch?