سنن أبي داود

Abu Hurairah reported The Messenger of Allah(ﷺ) as saying “ A woman should not be married to one who had married her paternal aunt or a paternal aunt to one who had married her brother’s daughter or a woman to one who had married her maternal aunt or maternal aunt to one who had married her sister’s daughter. A woman who is elder (in relation) must not be married to one who had married a woman who is younger (in relation) to her nor a woman who is younger (in relation) must be married to one who has married a woman who is elder (in relation) to her.”