Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 5 months ago

It is obligatory on every Muslim to maintain good relationship with all his relatives even those who don't welcome him, or try to harm him. Cutting ties of womb is a major sin which brings the curse of Allah in the person who cuts ties of womb. (Sura 47, verse 22).

There is no reason whatsoever which can justify cutting ties of womb even if they non believers or non Muslims as they remain relatives created by Allah from the same family tree of yours.