Islamic Marital Jurisprudence

Marriage is forbidden between very close bloodrelations andbetween those individuals who were both breastfed by thesame woman (see wet nurse). See also mahram for a fullerdiscussion of unmarriageable kin; Muslims are free tomarryanyone not in these prohibited classes. Abu Hurairahnarrated: The Prophet forbade that a woman should bemarriedto a man along with her paternal aunt or with hermaternalaunt (at the same time). Az-Zuhri (the sub-narrator)said:There is a similar order for the paternal aunt of thefatherof one's wife, for 'Ursa told me that 'Aisha said,"What isunlawful because of blood relations, is also unlawfulbecause of the corresponding foster suckling relations."Sahih al-Bukhari `Abd Allah ibn `Abbas narrated: Itwas saidto the Prophet, "Won't you marry the daughter ofHamza?" Hesaid, "She is my foster niece (brother's daughter)."