Original sentence: After the Jews surrendered, the Muslims killed all the men of the Banu Nadir and took all the surviving women and children of the Banu Nadir as slaves.Although the Jews put up fierce resistance, the lack of central command and their unpreparedness for an extended siege resulted in a Muslim victory.In May 629 Muslims defeated several Jewish tribes (including the Banu Nadir) at the Battle of Khaybar.The Jews surrendered, but were remained at Khaybar on the proviso they give half of their annual produce to the Muslims.The agreement, however, did not cover the Banu Nadir tribe.The former speculated that they would consider Safiyya as Muhammad's wife, and thus "Mothers of the Believers", if Muhammad ordered her to veil herself, else she would be his slave-girl.The land itself became the property of the Muslim state
Edited sentence: In May 629 Muslims defeated Banu Nadir (to which Safiyya belonged) at the Battle of Khaybar.Shibli Nomani opines that Muhammad chose to marry Safiyya, the only surviving member of Banu Nadir's ruling family, in order to reconcile the Jewish tribe.The former speculated that they would consider Safiyya as Muhammad's wife, and thus "Mothers of the Believers"