Yahya related to me from Malik from Abdullah ibn Dinar fromSulayman ibn Yasar and from Urwa ibn az-Zubayr from A'isha umm al-muminin, that the Messenger of Allah, may Allah bless him and granthim peace, said, " What is haram by birth is haram by suckling."
USC-MSA web (English) reference: Book 30, Hadith 15
Arabic reference: Book 30, Hadith 1290