(13) Marriage
كتاب النكاح
(4c) Chapter: Women with whom Marriage is Prohibited - Section 3
(4) باب المحرمات - الفصل الثالث
Mishkat al-Masabih 3181 
Ibn ‘Abbas said:
Seven classes of women are prohibited by reason of consanguinity and seven by reason of relationship by marriage. He then recited, "Prohibited to you are your mothers ...” (Al-Qur’an 4:23). Bukhari transmitted it.
عَنِ ابْنِ عَبَّاسٍ قَالَ: حُرِّمَ مِنَ النَّسَبِ سَبْعٌ وَمِنَ الصِّهْرِ سَبْعٌ ثُمَّ قَرَأَ: (حُرِّمَتْ عَلَيْكُم أُمَّهَاتكُم) الْآيَة. رَوَاهُ البُخَارِيّ
 صَحِيح  (الألباني)حكم :
Reference : Mishkat al-Masabih 3181
In-book reference : Book 13, Hadith 99