"What becomes unlawful (for marriage) through birth becomes unlawful through breast-feeding."
Sunan an-Nasa'i Book 26, Hadith 105
← Previous Hadith "The Messenger of Allah forbade taking a woman as a co-wife to her paternal aunt or maternal aunt."

Sunan an-Nasa'i Book 26, Hadith 104 Next Hadith → "Do not observe Hijab before him, for what becomes unlawful (for marriage) through breast-feeding is that which becomes unlawful through lineage."

Sunan an-Nasa'i Book 26, Hadith 106