Question: Which type of women are forbidden to marry by Muslim men besides those are mentioned in the Qur’an (Surah An-Nisa: 23)?

Answer: There are few women who are forbidden to marry by Muslim men bedside’s those are mentioned in the Qur’an are as follows:

(1) To marry more than 4 wives at the same time.

(2) To marry two women at the same time who are from close tie for example; wife’s both maternal and paternal side’s untie(s) and niece from paternal side are all forbidden.

Furthermore, if one of them is considered as a male thus, it would be forbidden for him to marry her i.e uncle and niece, nephew and aunty which are haram.

(3) To marry a slave woman besides free women (now a days this rule does not apply due to unavailability of slavery system).

(4) Divorcee, who is in waiting Iddat (period) of three menstruation cycles to pass.

(5) Marrying non-Muslim women (except Ahl-kitab).

(6) Slave male marrying free woman (same rule as no-3).

(7) Husband to re-marry wife (who received three Talaaq) without halalah i.e without wife marrying some other person and latter she gets divorced with shar’ee valid reason, wants to re-marry her ex husband.

(8) A male who had adultery with a woman or touched with lust, desire etc, marrying her daughter, granddaughter or any progeny below or mother, grandmother or above from this woman is completely forbidden to marry.   

References: [1] Radd al Muhtar vol-4:99-102 [2] Rawai al Bayan vol-1:427 [3] Fatwa Alamgiri vol-vol:273