Hadith 99

Mishkat al-Masabih

Book 13: Marriage

Chapter 4

Women with whom Marriage is Prohibited - Section 1

باب المحرمات - الفصل الأول

Mishkat al-Masabih 3181
عَنِ ابْنِ عَبَّاسٍ قَالَ: حُرِّمَ مِنَ النَّسَبِ سَبْعٌ وَمِنَ الصِّهْرِ سَبْعٌ ثُمَّ قَرَأَ: (حُرِّمَتْ عَلَيْكُم أُمَّهَاتكُم) الْآيَة. رَوَاهُ البُخَارِيّ
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.
Quran References:
Surah 4:23