Islamic Fiqh > Marriage and family > Marriage impediments > Combining two forbidden women and other prohibitions
Updated on 06 October 2026 at 10:50 PM
This second part on the women forbidden in marriage deals with women forbidden by combination (jam'): a man may not combine in marriage two sisters, or a woman with her paternal or maternal aunt, while other combinations remain lawful (a woman with her cousin, a wife with her stepdaughter from another man). It then covers the practical cases (one contract or two contracts, unknown order), and then the second category of prohibition: the one due to the right of another, namely the already-married woman and the woman in her waiting period, together with the status of the woman he fornicated with.