‏الحج : Hadeeth No:3062 Abd al-Rahman b. al Qasim narrated on the authority of 'A'isha (Allaah be pleased with her) that she made a mention to Allaah's Messenger (sallAllaahu alayhi wa sallam) that Safiyyah had entered the period of menses. The rest of the hadith is the same....

‏النكاح : Hadeeth No:3270 Abu Huraira (Allaah be pleased with him) reported: I heard Allaah's Messenger (sallAllaahu alayhi wa sallam) say: Father's sister should not be combined with her brother's daughter, nor the daughter of a sister with her mother's sister....