Musnad Ahmad 1156:26

Abu al-Yaman narrated to us, he said: Shu'ayb informed us, from al-Zuhri, he said: 'Urwah ibn al-Zubayr informed me, that Zaynab bint Abi Salamah informed him, that Umm Habibah bint Abi Sufyan informed her, that she said: "O Messenger of Allah, marry my sister." Then he mentioned the hadith. 'Abdullah ibn Ahmad said: The nephew of al-Zuhri agreed with him, and 'Aqil said: "Indeed, Umm Habibah said..."