Yahya related to me from Malik from Ibn Shihab that Talha ibnAbdullah ibn Awf said, and he knew that better than them, from AbuSalama ibn Abd ar-Rahman ibn Awf that Abd ar-Rahman ibn Awf divorcedhis wife irrevocably while he was terminally ill, and Uthman ibn Affanmade her an heir after the end of her idda.
USC-MSA web (English) reference: Book 29, Hadith 40
Arabic reference: Book 29, Hadith 1198