‏النكاح : Hadeeth No:3272 Abu Huraira (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: One should not combine in marriage a woman with her father's sister, or her mother's sister....

‏الجهاد والسير‏ : Hadeeth No:4417 It has been narrated on the authority of Anas that the Messenger of Allaah (sallAllaahu alayhi wa sallam) had his front teeth damaged on the day of the Battle of Uhud, and got a wound on his head. He was wiping the blood (from his face) and was saying: How will these people attain salvation who have...