Question Summary:
Can I deal with relatives who have opened businesses with the aid of a Bank Loan and can I inherit from their property?

Question Detail:

I have relatives who have purchased houses and opened buisnesses with the aid of a bank loan, apart from this, their earnings and products are halal. My question is, will it be permissible to eat and deal with them?In the case of inheritance, can I inherit from their property?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
To take a bank loan and involve oneself in interest is a major sin. According to your explanation, your relatives earning and products are Halal. It is permissible to eat with them, deal with them, and inherit from them.
And Allah Ta’āla Knows Best
Mufti Ebrahim Desai.