Musnad Ahmad 1153:1932

'Abd al-Razzaq narrated to us, Ma'mar narrated to us, from Ayyub, from Abu Qilabah, from 'Abdullah ibn Yazid, the foster son of 'Aishah, from 'Aishah, from the Prophet, peace and blessings of Allah be upon him, that he said: "There is no man who dies, and a nation of the Muslims prays over him, and they intercede for him, except that they are granted intercession for him."