Property share

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children under Mohammedan laws cannot inherit property from their step parents or their relatives, but a step- brother can inherit from his step-brother or step- sister

Under Hanafi laws, an illegitimate child is not entitled to claim inheritance from the father, but he or she is eligible to inherit property from the mother and all other relations from the mother’s side of the family. However, under Sunni Islam’s Ithana Ashari school of thought, an illegitimate child cannot inherit property from any of the parents. 

As for the position of adopted children, it is to be noted that Islam does not recognise the concept of adoption in the first place, hence, adopted children have no right over inheritance. 

No she has no right on the poperty of her step mother. Sh can get share only from her biologocal mother only. If the step mother gifts or wills to give her property then only she is claimant otherwise not