Does a wife whose husband has passed away, and who did not bear him children, have the right to receive her deferred dower from the deceased husband's children from his first wife, or is her right to the deferred dower only established upon her departure from the marital home?

The deferred dowry is a debt owed by the husband and is to be paid from his wealth before the division of the inheritance. If he leaves only enough to cover it, the wife takes it all, and there is nothing left for the heirs.

As for residing in the marital home, it is the wife's right during her waiting period ('iddah), and no one is permitted to evict her from it.

Therefore, the wife has three rights: her deferred dowry, residence in the marital home during her 'iddah, and her share of the inheritance. Denying her any of these rights is an injustice and an aggression.