My father had prepared a will for his (own purchased) house before death, in his will he has given half of the house to me (his elder son) & half to his second daughter, he has given nothing to his younger son. Father expired in Jan'2011 and just after his death younger son's wife has claimed share in property for grandson. The wife of younger son and grandson has left 5 years ago but not divorced. The will was registered. Whether the grandson will get the share in house property.