Sahih Muslim 3436
صحيح مسلم#3436SahihAbu Huraira (Allah be pleased with him) reported Allah's Messenger (may peace upon him) having said this:One should not combine a woman and her father's sister, nor a woman and her mother's sister in marriage
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 16:39