My sister is married in a sunni family who have got their daughter married in an ahmaddiya family.So, can have good relation with my sisters family or should i abandon her family because they are having relations with ahmaddiyas.

What is the ruling on marrying a Jewish or Christian woman who is pregnant from a previous relationship?

Her husband reviles Islam and does not pray, but if she gets divorced from him, she will be forced to work and take off her hijab

Marrying a Christian woman without a wali (guardian) or witnesses

If the spouses were not praying at the time of the marriage contract, do they have to renew the marriage contract?

Her father did not allow her to marry a man, then she committed zina with him

Marrying an atheist woman who became Muslim, then apostacized

He married her in a ‘urfi marriage, then he divorced her three times. Is it permissible for him to marry her after that in a valid marriage without her first having been married to another husband?

She ran away from her family’s home and married a Christian; is she entitled to a share of her father’s estate?

She separated from her first husband by means of khul‘ without his consent and married another man, then she went back to her first husband