And Abu Bakr ibn Abi Shaybah narrated to us, from Abu Usamah; and Ibn Numayr narrated to us, from his father; they both said: 'Ubaydullah narrated to us, from Nafi', from Ibn 'Umar, who said: The Messenger of Allah, peace and blessings be upon him, invoked the curse (li'an) between a man from the Ansar and his wife, and he separated the two of them.