Musnad Ahmad 1153:350

Yunus narrated to us, Dawud—meaning Ibn Abi al-Furat—narrated to us, from Ibrahim ibn Maymun al-Sa'igh, from 'Ata', from 'Urwah, from 'Aishah, that the Prophet, peace and blessings of Allah be upon him, prayed while she was lying across in front of him. And he said: "Are they not your mothers, your sisters, and your paternal aunts?"