Do their daughters have a share of the inheritance if they have no need of it?

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She has joint finances with her husband and she has children from a former husband, and she wants them to have a share like that of her child from her current husband
Her brother is going to marry a corrupt girl and his family want to deprive him of his inheritance

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Related Answers:
She died and left behind a husband, children and parents who are not Muslim
What is the daughter’s share of inheritance?
Is it obligatory to give the clothes of the deceased in charity?
She has joint finances with her husband and she has children from a former husband, and she wants them to have a share like that of her child from her current husband
Her brother is going to marry a corrupt girl and his family want to deprive him of his inheritance

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