(13) باب مَا يُكْرَهُ أَنْ يُجْمَعَ بَيْنَهُنَّ مِنَ النِّسَاءِ
Abu Hurairah said "The Apostle of Allah (ﷺ) forbade that a woman and her maternal aunt and a woman and her paternal aunt are joined in marriage (to the same man)."
Reference: Sunan Abi Dawud 2066
In-book reference: Book 12, Hadith 21
English translation: Book 11, Hadith 2061