The Messenger of Allah ﷺ said: ʿNo woman should be married and become a co-wife to her paternal aunt or her maternal aunt.” (Using translation from Aḥmad 577)
قَالَ رَسُولُ اللهِ ﷺ لَا تُنْكَحُ الْمَرْأَةُ وَخَالَتُهَا وَلَا الْمَرْأَةُ وَعَمَّتُهَا