The query has already been addressed in following thread:
https://www.lawyersclubindia.com/forum/details.asp?mod_id=93602&offset=2#.UrFX9tIW1MA
It is believed that deceased was Hindu.
-----“Does a Husband gets the right in the Wife's ancestral property. Assume no children for this couple and the wife dead leaving no will without any property.”
The property of a female Hindu dying without WILL gets distributed according to the set out rules:
-Firstly, upon the sons and daughters (including the children of any pre-deceased son or daughter) and the husband;
-Secondly, upon the heirs of the husband ;
-Thirdly, upon the mother and father;
- Fourthly, upon the heirs of the father; and
- Lastly, upon the heirs of the mother .
Probably by ‘Wife's ancestral property’ you mean wealth acquired from her parent’s side i.e Father or Mother