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 trans…
‘Amr b. Shu’aib, on his father’s authority, said that his grandfather reported God’s Messenger as saying, “If any man marries a woman and cohabits with her it is not lawful for him to marry her daughter, but if he does n…