Yes, you are, as this is his sin and not yours.

My father had built the house by taking interest based loan. Am I allowed to inherit the house?

Inheritance | September 2, 2014 3:30 pm
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If a70 yr old muslim lady (remained a muslim)whose husband died (was a non muslim and did not convert to Islam )has no children,but has 5 married sisters and one brother and all have married children , then what should be done to her assets and bank balance she leaves behind after her death?

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Rules of Erth (Inheritance)