Sahih Bukhari: Hadith 4916

The Prophet (ﷺ) forbade that a woman should be married to a man along with her paternal aunt or with her maternal aunt (at the same time). Az-Zuhri (the sub-narrator) said: There is a similar order for the paternal aunt of the father of one's wife, for 'Urwa told me that `Aisha said, "What is unlawful because of blood relations, is also unlawful because of the corresponding foster suckling relations."