Her father put money in the bank for her and gives her the interest as a gift

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Check below answers in case you are looking for other related questions:
Repenting from Taking an Interest-based Loan
Is it permissible for one who has taken out a riba-based loan to receive zakaah in order to pay off his debt?

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Related Answers:
Benefitting from a house that was built with an interest-based loan
He took a loan with riba to buy a house under pressure from his father
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Repenting from Taking an Interest-based Loan
Is it permissible for one who has taken out a riba-based loan to receive zakaah in order to pay off his debt?

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