Musnad Ahmad 30:2080

Ibrahim ibn Ishaq narrated to us, he said: Ibn al-Mubarak narrated to us, from Yunus; and Ali ibn Ishaq said: Abdullah informed us, he said: Yunus informed us, from al-Zuhri, he said: Qabisah ibn Dhu'ayb informed us that he heard Abu Hurayrah saying: "The Messenger of Allah, may Allah bless him and grant him peace, forbade that a woman and her paternal aunt be joined [in marriage], and that a woman and her maternal aunt be joined [in marriage]."