since your step mother died without any issues and property was inherited from her husband the property would be inherited by her husband legal heirs
2)The group of heirs of the female Hindu dying intestate is described in 5 categories as ‘a' to ‘e' of Section 15 (1) which is illustrated as under:
In a case where she dies intestate leaving property, her property will firstly devolve upon her sons and daughters so also the husband. The children of any pre-deceased son or daughter are also included in the first category of heirs of a female Hindu;
In case she does not have any heir as referred to above, i.e., sons, daughters and husband including children of any pre-deceased sons or daughters (as per clause ‘a') living at the time of her death, then the next heirs will be the heirs of the husband;
4)It is the source from which the property was inherited by the female, which is more important for the purpose of devolution of her property