| Ja'far bin Zaid disapproved of that because of it would bring hatred between the two cousins , but it is not unlawful, as Allah said, "Lawful to you are all others [beyond those mentioned ] | In the above case Abu Hurairah said, "The marital relation to one's wife does not become unlawful except if one as had sexual intercourse with her mother |
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| 'Abdullah bin Ja'far married the daughter and wife of 'Ali at the same time they were step-daughter and mother | " Abu Nasr reported to have said that Ibn 'Abbas in the above case, regarded his marital relation to his wife unlawful, but Abu Nasr is not known well for hearing Hadith from Ibn 'Abbas |
Zaid, Al-Hasan and some other Iraqi's, are reported to have judged that his marital relations to his wife would be unlawful.
| 'Ali said, "His marital relations to his wife does not become unlawful | Ibn 'Abbas said: "If somebody commits illegal sexual intercourse with his wife's sister, his wife does not become unlawful for him |
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| Al-Hasan bin Al-Hasan bin 'Ali married two of his cousins in one night | homosexuality , kill the one who does it and the one to whom it is done, and if you find anyone having sexual intercourse with animal, kill him and kill the animal |
" But Al-Hasan Al-Basri disapproved of it at first, but then said that there was no harm in it.
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