Volume 7, Book 62, Number 45:
Narrated Abu Huraira:
Allah’s Apostle said, “A woman and her paternal aunt should not be married to the same man; and
similarly, a woman and her maternal aunt should not be married to the same man.”
Volume 7 – 1142 / 1700
SAHIH BUKHARI VOLUME 7 > BOOK 62: WEDLOCK, MARRIAGE (NIKAAH)